]> nv-tegra.nvidia Code Review - linux-2.6.git/commitdiff
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux...
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 21 Jan 2010 15:29:36 +0000 (07:29 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 21 Jan 2010 15:29:36 +0000 (07:29 -0800)
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
  ACPI: delete acpi_processor_power_verify_c2()
  ACPI: allow C3 > 1000usec
  ACPI: enable C2 and Turbo-mode on Nehalem notebooks on A/C
  ACPI: power_meter: remove double kfree()
  ACPI: processor: restrict early _PDC to opt-in platforms
  ACPI: Fix unused variable warning in sbs.c
  acpi: make ACPI device id constant
  sony-laptop - fix using of uninitialized variable
  ACPI: Fix section mismatch error for acpi_early_processor_set_pdc()
  eeepc-laptop: disable wireless hotplug for 1201N
  eeepc-laptop: add hotplug_disable parameter
  eeepc-laptop: switch to using sparse keymap library
  eeepc-laptop: dmi blacklist to disable pci hotplug code
  eeepc-laptop: disable cpu speed control on EeePC 701
  ACPI: don't cond_resched if irq is disabled
  ACPI: Remove unnecessary cast.
  ACPI: Advertise to BIOS in _OSC: _OST on _PPC changes
  ACPI: EC: Add wait for irq storm
  ACPI: SBS: Move SBS HC callback to faster Notify queue
  x86, ACPI: delete acpi_boot_table_init() return value
  ...

29 files changed:
arch/arm/Kconfig
arch/arm/Makefile
arch/arm/boot/compressed/head.S
arch/arm/boot/compressed/misc.c
arch/arm/include/asm/cacheflush.h
arch/arm/kernel/debug.S
arch/arm/kernel/elf.c
arch/arm/mach-gemini/include/mach/uncompress.h
arch/arm/mm/mmu.c
arch/arm/mm/proc-v6.S
arch/arm/mm/proc-v7.S
arch/arm/plat-mxc/include/mach/uncompress.h
arch/sh/boards/mach-se/7724/setup.c
arch/sh/include/asm/unistd_32.h
arch/sh/include/asm/unistd_64.h
arch/sh/kernel/syscalls_32.S
arch/sh/kernel/syscalls_64.S
fs/btrfs/acl.c
fs/btrfs/extent-tree.c
fs/btrfs/file.c
fs/btrfs/inode.c
fs/btrfs/ordered-data.c
fs/btrfs/relocation.c
fs/btrfs/volumes.c
fs/ecryptfs/crypto.c
fs/ecryptfs/file.c
fs/ecryptfs/inode.c
fs/ecryptfs/main.c
mm/vmalloc.c

index c2238cd474c784e52872627586632f65608281a1..4c33ca82f9b1f268bfdae70f0aee29fefaaf9cf7 100644 (file)
@@ -729,14 +729,26 @@ config ARCH_U8500
 
 endchoice
 
+source "arch/arm/mach-aaec2000/Kconfig"
+
+source "arch/arm/mach-at91/Kconfig"
+
+source "arch/arm/mach-bcmring/Kconfig"
+
 source "arch/arm/mach-clps711x/Kconfig"
 
+source "arch/arm/mach-davinci/Kconfig"
+
+source "arch/arm/mach-dove/Kconfig"
+
 source "arch/arm/mach-ep93xx/Kconfig"
 
 source "arch/arm/mach-footbridge/Kconfig"
 
 source "arch/arm/mach-gemini/Kconfig"
 
+source "arch/arm/mach-h720x/Kconfig"
+
 source "arch/arm/mach-integrator/Kconfig"
 
 source "arch/arm/mach-iop32x/Kconfig"
@@ -751,16 +763,26 @@ source "arch/arm/mach-ixp2000/Kconfig"
 
 source "arch/arm/mach-ixp23xx/Kconfig"
 
+source "arch/arm/mach-kirkwood/Kconfig"
+
+source "arch/arm/mach-ks8695/Kconfig"
+
+source "arch/arm/mach-lh7a40x/Kconfig"
+
 source "arch/arm/mach-loki/Kconfig"
 
+source "arch/arm/mach-msm/Kconfig"
+
 source "arch/arm/mach-mv78xx0/Kconfig"
 
-source "arch/arm/mach-pxa/Kconfig"
-source "arch/arm/plat-pxa/Kconfig"
+source "arch/arm/plat-mxc/Kconfig"
 
-source "arch/arm/mach-mmp/Kconfig"
+source "arch/arm/mach-netx/Kconfig"
 
-source "arch/arm/mach-sa1100/Kconfig"
+source "arch/arm/mach-nomadik/Kconfig"
+source "arch/arm/plat-nomadik/Kconfig"
+
+source "arch/arm/mach-ns9xxx/Kconfig"
 
 source "arch/arm/plat-omap/Kconfig"
 
@@ -770,9 +792,14 @@ source "arch/arm/mach-omap2/Kconfig"
 
 source "arch/arm/mach-orion5x/Kconfig"
 
-source "arch/arm/mach-kirkwood/Kconfig"
+source "arch/arm/mach-pxa/Kconfig"
+source "arch/arm/plat-pxa/Kconfig"
 
-source "arch/arm/mach-dove/Kconfig"
+source "arch/arm/mach-mmp/Kconfig"
+
+source "arch/arm/mach-realview/Kconfig"
+
+source "arch/arm/mach-sa1100/Kconfig"
 
 source "arch/arm/plat-samsung/Kconfig"
 source "arch/arm/plat-s3c24xx/Kconfig"
@@ -800,41 +827,14 @@ if ARCH_S5PC1XX
 source "arch/arm/mach-s5pc100/Kconfig"
 endif
 
-source "arch/arm/mach-lh7a40x/Kconfig"
+source "arch/arm/mach-u300/Kconfig"
 
-source "arch/arm/mach-h720x/Kconfig"
+source "arch/arm/mach-ux500/Kconfig"
 
 source "arch/arm/mach-versatile/Kconfig"
 
-source "arch/arm/mach-aaec2000/Kconfig"
-
-source "arch/arm/mach-realview/Kconfig"
-
-source "arch/arm/mach-at91/Kconfig"
-
-source "arch/arm/plat-mxc/Kconfig"
-
-source "arch/arm/mach-nomadik/Kconfig"
-source "arch/arm/plat-nomadik/Kconfig"
-
-source "arch/arm/mach-netx/Kconfig"
-
-source "arch/arm/mach-ns9xxx/Kconfig"
-
-source "arch/arm/mach-davinci/Kconfig"
-
-source "arch/arm/mach-ks8695/Kconfig"
-
-source "arch/arm/mach-msm/Kconfig"
-
-source "arch/arm/mach-u300/Kconfig"
-
 source "arch/arm/mach-w90x900/Kconfig"
 
-source "arch/arm/mach-bcmring/Kconfig"
-
-source "arch/arm/mach-ux500/Kconfig"
-
 # Definitions to make life easier
 config ARCH_ACORN
        bool
index e9da08483b3cdb74bd687cf3601ec4dccf395c25..9e7582572741d7669b8bef7dddc271fdb9b12dd6 100644 (file)
@@ -146,6 +146,7 @@ machine-$(CONFIG_ARCH_MX1)          := mx1
 machine-$(CONFIG_ARCH_MX2)             := mx2
 machine-$(CONFIG_ARCH_MX25)            := mx25
 machine-$(CONFIG_ARCH_MX3)             := mx3
+machine-$(CONFIG_ARCH_MXC91231)                := mxc91231
 machine-$(CONFIG_ARCH_NETX)            := netx
 machine-$(CONFIG_ARCH_NOMADIK)         := nomadik
 machine-$(CONFIG_ARCH_NS9XXX)          := ns9xxx
@@ -171,12 +172,12 @@ machine-$(CONFIG_ARCH_U8500)              := ux500
 machine-$(CONFIG_ARCH_VERSATILE)       := versatile
 machine-$(CONFIG_ARCH_W90X900)         := w90x900
 machine-$(CONFIG_FOOTBRIDGE)           := footbridge
-machine-$(CONFIG_ARCH_MXC91231)                := mxc91231
 
 # Platform directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
 plat-$(CONFIG_ARCH_MXC)                := mxc
 plat-$(CONFIG_ARCH_OMAP)       := omap
+plat-$(CONFIG_ARCH_STMP3XXX)   := stmp3xxx
 plat-$(CONFIG_PLAT_IOP)                := iop
 plat-$(CONFIG_PLAT_NOMADIK)    := nomadik
 plat-$(CONFIG_PLAT_ORION)      := orion
@@ -184,7 +185,6 @@ plat-$(CONFIG_PLAT_PXA)             := pxa
 plat-$(CONFIG_PLAT_S3C24XX)    := s3c24xx s3c samsung
 plat-$(CONFIG_PLAT_S3C64XX)    := s3c64xx s3c samsung
 plat-$(CONFIG_PLAT_S5PC1XX)    := s5pc1xx s3c samsung
-plat-$(CONFIG_ARCH_STMP3XXX)   := stmp3xxx
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.
index d356af7cef829142a851a366244acdc36e18a0c5..4fddc509e78ed3e25a8d708521f6d20cd2282e96 100644 (file)
                .macro  writeb, ch, rb
                mcr     p14, 0, \ch, c0, c5, 0
                .endm
+#elif defined(CONFIG_CPU_V7)
+               .macro  loadsp, rb
+               .endm
+               .macro  writeb, ch, rb
+wait:          mrc     p14, 0, pc, c0, c1, 0
+               bcs     wait
+               mcr     p14, 0, \ch, c0, c5, 0
+               .endm
 #elif defined(CONFIG_CPU_XSCALE)
                .macro  loadsp, rb
                .endm
index 7e0fe4d42c7b4f8965c08661206736b6eea8c659..56a0d116d27147445a4f69aa18728074f431ef9a 100644 (file)
@@ -53,6 +53,18 @@ static void icedcc_putc(int ch)
 
        asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
 }
+
+#elif defined(CONFIG_CPU_V7)
+
+static void icedcc_putc(int ch)
+{
+       asm(
+       "wait:  mrc     p14, 0, pc, c0, c1, 0                   \n\
+               bcs     wait                                    \n\
+               mcr     p14, 0, %0, c0, c5, 0                   "
+       : : "r" (ch));
+}
+
 #elif defined(CONFIG_CPU_XSCALE)
 
 static void icedcc_putc(int ch)
@@ -88,7 +100,6 @@ static void icedcc_putc(int ch)
 #endif
 
 #define putc(ch)       icedcc_putc(ch)
-#define flush()        do { } while (0)
 #endif
 
 static void putstr(const char *ptr)
index 730aefcfbee3eb8e0c46ea0a6dc0b9ba0fd1e27f..c77d2fa1f6e5c1151a4ffca7cc7182e34da9b32a 100644 (file)
  *     Please note that the implementation of these, and the required
  *     effects are cache-type (VIVT/VIPT/PIPT) specific.
  *
- *     flush_cache_kern_all()
+ *     flush_kern_all()
  *
  *             Unconditionally clean and invalidate the entire cache.
  *
- *     flush_cache_user_mm(mm)
+ *     flush_user_all()
  *
  *             Clean and invalidate all user space cache entries
  *             before a change of page tables.
  *
- *     flush_cache_user_range(start, end, flags)
+ *     flush_user_range(start, end, flags)
  *
  *             Clean and invalidate a range of cache entries in the
  *             specified address space before a change of page tables.
  *             - start  - virtual start address
  *             - end    - virtual end address
  *
+ *     coherent_user_range(start, end)
+ *
+ *             Ensure coherency between the Icache and the Dcache in the
+ *             region described by start, end.  If you have non-snooping
+ *             Harvard caches, you need to implement this function.
+ *             - start  - virtual start address
+ *             - end    - virtual end address
+ *
+ *     flush_kern_dcache_area(kaddr, size)
+ *
+ *             Ensure that the data held in page is written back.
+ *             - kaddr  - page address
+ *             - size   - region size
+ *
  *     DMA Cache Coherency
  *     ===================
  *
index b121b6053cce4e74a1b650c6bc83665920225ede..5c91addcaebcb2d8d207a4deb920e3cb7ea48729 100644 (file)
 1002:
                .endm
 
+#elif defined(CONFIG_CPU_V7)
+
+               .macro  addruart, rx
+               .endm
+
+               .macro  senduart, rd, rx
+               mcr     p14, 0, \rd, c0, c5, 0
+               .endm
+
+               .macro  busyuart, rd, rx
+busy:          mrc     p14, 0, pc, c0, c1, 0
+               bcs     busy
+               .endm
+
+               .macro  waituart, rd, rx
+wait:          mrc     p14, 0, pc, c0, c1, 0
+               bcs     wait
+
+               .endm
+
 #elif defined(CONFIG_CPU_XSCALE)
 
                .macro  addruart, rx
index 950391f194c4a9198927b4977fa49d52e08c80de..d4a0da1e48f40988bb7f92ce34664d86adb74a32 100644 (file)
@@ -78,15 +78,6 @@ int arm_elf_read_implies_exec(const struct elf32_hdr *x, int executable_stack)
                return 1;
        if (cpu_architecture() < CPU_ARCH_ARMv6)
                return 1;
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
-       /*
-        * If we have support for OABI programs, we can never allow NX
-        * support - our signal syscall restart mechanism relies upon
-        * being able to execute code placed on the user stack.
-        */
-       return 1;
-#else
        return 0;
-#endif
 }
 EXPORT_SYMBOL(arm_elf_read_implies_exec);
index 59c5df7e716cd5547ec4ba4bd9eb87ac12386db1..5483f61a80613baa9afc7c2afcc4558299b9ff18 100644 (file)
@@ -30,7 +30,9 @@ static inline void putc(char c)
        UART[UART_TX] = c;
 }
 
-#define flush() do { } while (0)
+static inline void flush(void)
+{
+}
 
 /*
  * nothing to do
index 1708da82da96c127267b8edc59f916a0bec6a286..761ffede6a23a9027bd6d805a7fdb8d5e674c7ec 100644 (file)
@@ -1067,4 +1067,6 @@ void setup_mm_for_reboot(char mode)
                pmd[1] = __pmd(pmdval + (1 << (PGDIR_SHIFT - 1)));
                flush_pmd_entry(pmd);
        }
+
+       local_flush_tlb_all();
 }
index 395cc90c6613d616f56c502102747464baa2b159..7a5337ed7d68b6b1112e59ede2ce2dd5ed630a5f 100644 (file)
@@ -59,8 +59,6 @@ ENTRY(cpu_v6_proc_fin)
  *     to what would be the reset vector.
  *
  *     - loc   - location to jump to for soft reset
- *
- *     It is assumed that:
  */
        .align  5
 ENTRY(cpu_v6_reset)
index 3a285218fd158ae56908c2d1a69d86181b529765..7aaf88a3b7aabb7a8a7268d435eda8aa78bd7671 100644 (file)
@@ -45,7 +45,14 @@ ENTRY(cpu_v7_proc_init)
 ENDPROC(cpu_v7_proc_init)
 
 ENTRY(cpu_v7_proc_fin)
-       mov     pc, lr
+       stmfd   sp!, {lr}
+       cpsid   if                              @ disable interrupts
+       bl      v7_flush_kern_cache_all
+       mrc     p15, 0, r0, c1, c0, 0           @ ctrl register
+       bic     r0, r0, #0x1000                 @ ...i............
+       bic     r0, r0, #0x0006                 @ .............ca.
+       mcr     p15, 0, r0, c1, c0, 0           @ disable caches
+       ldmfd   sp!, {pc}
 ENDPROC(cpu_v7_proc_fin)
 
 /*
@@ -56,8 +63,6 @@ ENDPROC(cpu_v7_proc_fin)
  *     to what would be the reset vector.
  *
  *     - loc   - location to jump to for soft reset
- *
- *     It is assumed that:
  */
        .align  5
 ENTRY(cpu_v7_reset)
index 4d5d395ad63b68d5dbcf148e256e9007f99bbc84..d49384cb1e97e8584f0a823f7b04858eed7966f4 100644 (file)
@@ -60,7 +60,9 @@ static void putc(int ch)
        UART(TXR) = ch;
 }
 
-#define flush() do { } while (0)
+static inline void flush(void)
+{
+}
 
 #define MX1_UART1_BASE_ADDR    0x00206000
 #define MX25_UART1_BASE_ADDR   0x43f90000
index 5d0f70b46c97435dab2e565498ec33cf98ba34f3..858ecb25d4699a5e42a4a2f05ed1e9e710170cb6 100644 (file)
@@ -533,7 +533,7 @@ static int __init sh_eth_is_eeprom_ready(void)
        while (t--) {
                if (!ctrl_inw(EEPROM_STAT))
                        return 1;
-               cpu_relax();
+               udelay(1);
        }
 
        printk(KERN_ERR "ms7724se can not access to eeprom\n");
index f18c4f9baf27920d4ef71621303d4c9a63a62448..365744b05269c2f1e1e9c3456308d7d5cd6e6605 100644 (file)
 #define __NR_pwritev           334
 #define __NR_rt_tgsigqueueinfo 335
 #define __NR_perf_event_open   336
-#define __NR_recvmmsg          337
 
-#define NR_syscalls 338
+#define NR_syscalls 337
 
 #ifdef __KERNEL__
 
+#define __IGNORE_recvmmsg
+
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
index 3e7645d111307e5d12db6e7172961b47f486e704..25de158aac3a84baa5e0c64033291b49b3b574f9 100644 (file)
 #define __NR_rt_tgsigqueueinfo 363
 #define __NR_perf_event_open   364
 #define __NR_recvmmsg          365
+#define __NR_accept4           366
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 366
+#define NR_syscalls 367
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
index 4bd5a1146956deafcc96afe26be07cbc5ab18b23..19fd11dd9871aadf7c6667eb9d97f473a5e813dc 100644 (file)
@@ -353,4 +353,3 @@ ENTRY(sys_call_table)
        .long sys_pwritev
        .long sys_rt_tgsigqueueinfo     /* 335 */
        .long sys_perf_event_open
-       .long sys_recvmmsg
index 07d2aaea9ae8c901406ed95197e7041cce8a939f..2048a20d7c80c4172b80f1bc3074290e935f42bd 100644 (file)
@@ -392,3 +392,4 @@ sys_call_table:
        .long sys_rt_tgsigqueueinfo
        .long sys_perf_event_open
        .long sys_recvmmsg              /* 365 */
+       .long sys_accept4
index 2e9e69987a82973208724b58899b3479d77feaff..54f4798ab46a09cad2df576121b17de8ce526b60 100644 (file)
@@ -112,12 +112,14 @@ static int btrfs_set_acl(struct btrfs_trans_handle *trans,
        switch (type) {
        case ACL_TYPE_ACCESS:
                mode = inode->i_mode;
-               ret = posix_acl_equiv_mode(acl, &mode);
-               if (ret < 0)
-                       return ret;
-               ret = 0;
-               inode->i_mode = mode;
                name = POSIX_ACL_XATTR_ACCESS;
+               if (acl) {
+                       ret = posix_acl_equiv_mode(acl, &mode);
+                       if (ret < 0)
+                               return ret;
+                       inode->i_mode = mode;
+               }
+               ret = 0;
                break;
        case ACL_TYPE_DEFAULT:
                if (!S_ISDIR(inode->i_mode))
index 56e50137d0e6d066266c074b1e07e10d10cb1b5f..432a2da4641ec55d0d2f963b2f9b276beb61aba1 100644 (file)
@@ -83,6 +83,17 @@ static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits)
        return (cache->flags & bits) == bits;
 }
 
+void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
+{
+       atomic_inc(&cache->count);
+}
+
+void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
+{
+       if (atomic_dec_and_test(&cache->count))
+               kfree(cache);
+}
+
 /*
  * this adds the block group to the fs_info rb tree for the block group
  * cache
@@ -156,7 +167,7 @@ block_group_cache_tree_search(struct btrfs_fs_info *info, u64 bytenr,
                }
        }
        if (ret)
-               atomic_inc(&ret->count);
+               btrfs_get_block_group(ret);
        spin_unlock(&info->block_group_cache_lock);
 
        return ret;
@@ -407,6 +418,8 @@ err:
 
        put_caching_control(caching_ctl);
        atomic_dec(&block_group->space_info->caching_threads);
+       btrfs_put_block_group(block_group);
+
        return 0;
 }
 
@@ -447,6 +460,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache)
        up_write(&fs_info->extent_commit_sem);
 
        atomic_inc(&cache->space_info->caching_threads);
+       btrfs_get_block_group(cache);
 
        tsk = kthread_run(caching_kthread, cache, "btrfs-cache-%llu\n",
                          cache->key.objectid);
@@ -486,12 +500,6 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group(
        return cache;
 }
 
-void btrfs_put_block_group(struct btrfs_block_group_cache *cache)
-{
-       if (atomic_dec_and_test(&cache->count))
-               kfree(cache);
-}
-
 static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
                                                  u64 flags)
 {
@@ -2582,7 +2590,7 @@ next_block_group(struct btrfs_root *root,
        if (node) {
                cache = rb_entry(node, struct btrfs_block_group_cache,
                                 cache_node);
-               atomic_inc(&cache->count);
+               btrfs_get_block_group(cache);
        } else
                cache = NULL;
        spin_unlock(&root->fs_info->block_group_cache_lock);
@@ -4227,7 +4235,7 @@ search:
                u64 offset;
                int cached;
 
-               atomic_inc(&block_group->count);
+               btrfs_get_block_group(block_group);
                search_start = block_group->key.objectid;
 
 have_block_group:
@@ -4315,7 +4323,7 @@ have_block_group:
 
                                btrfs_put_block_group(block_group);
                                block_group = last_ptr->block_group;
-                               atomic_inc(&block_group->count);
+                               btrfs_get_block_group(block_group);
                                spin_unlock(&last_ptr->lock);
                                spin_unlock(&last_ptr->refill_lock);
 
@@ -7395,9 +7403,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
                        wait_block_group_cache_done(block_group);
 
                btrfs_remove_free_space_cache(block_group);
-
-               WARN_ON(atomic_read(&block_group->count) != 1);
-               kfree(block_group);
+               btrfs_put_block_group(block_group);
 
                spin_lock(&info->block_group_cache_lock);
        }
index feaa13b105d953f1be72c50897fafa6943cd5e50..c02033596f02237aaeaabb2795960c2b29bd0e7b 100644 (file)
@@ -506,7 +506,8 @@ next_slot:
 }
 
 static int extent_mergeable(struct extent_buffer *leaf, int slot,
-                           u64 objectid, u64 bytenr, u64 *start, u64 *end)
+                           u64 objectid, u64 bytenr, u64 orig_offset,
+                           u64 *start, u64 *end)
 {
        struct btrfs_file_extent_item *fi;
        struct btrfs_key key;
@@ -522,6 +523,7 @@ static int extent_mergeable(struct extent_buffer *leaf, int slot,
        fi = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
        if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_REG ||
            btrfs_file_extent_disk_bytenr(leaf, fi) != bytenr ||
+           btrfs_file_extent_offset(leaf, fi) != key.offset - orig_offset ||
            btrfs_file_extent_compression(leaf, fi) ||
            btrfs_file_extent_encryption(leaf, fi) ||
            btrfs_file_extent_other_encoding(leaf, fi))
@@ -561,6 +563,7 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
        u64 split;
        int del_nr = 0;
        int del_slot = 0;
+       int recow;
        int ret;
 
        btrfs_drop_extent_cache(inode, start, end - 1, 0);
@@ -568,6 +571,7 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
        path = btrfs_alloc_path();
        BUG_ON(!path);
 again:
+       recow = 0;
        split = start;
        key.objectid = inode->i_ino;
        key.type = BTRFS_EXTENT_DATA_KEY;
@@ -591,12 +595,60 @@ again:
        bytenr = btrfs_file_extent_disk_bytenr(leaf, fi);
        num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
        orig_offset = key.offset - btrfs_file_extent_offset(leaf, fi);
+       memcpy(&new_key, &key, sizeof(new_key));
+
+       if (start == key.offset && end < extent_end) {
+               other_start = 0;
+               other_end = start;
+               if (extent_mergeable(leaf, path->slots[0] - 1,
+                                    inode->i_ino, bytenr, orig_offset,
+                                    &other_start, &other_end)) {
+                       new_key.offset = end;
+                       btrfs_set_item_key_safe(trans, root, path, &new_key);
+                       fi = btrfs_item_ptr(leaf, path->slots[0],
+                                           struct btrfs_file_extent_item);
+                       btrfs_set_file_extent_num_bytes(leaf, fi,
+                                                       extent_end - end);
+                       btrfs_set_file_extent_offset(leaf, fi,
+                                                    end - orig_offset);
+                       fi = btrfs_item_ptr(leaf, path->slots[0] - 1,
+                                           struct btrfs_file_extent_item);
+                       btrfs_set_file_extent_num_bytes(leaf, fi,
+                                                       end - other_start);
+                       btrfs_mark_buffer_dirty(leaf);
+                       goto out;
+               }
+       }
+
+       if (start > key.offset && end == extent_end) {
+               other_start = end;
+               other_end = 0;
+               if (extent_mergeable(leaf, path->slots[0] + 1,
+                                    inode->i_ino, bytenr, orig_offset,
+                                    &other_start, &other_end)) {
+                       fi = btrfs_item_ptr(leaf, path->slots[0],
+                                           struct btrfs_file_extent_item);
+                       btrfs_set_file_extent_num_bytes(leaf, fi,
+                                                       start - key.offset);
+                       path->slots[0]++;
+                       new_key.offset = start;
+                       btrfs_set_item_key_safe(trans, root, path, &new_key);
+
+                       fi = btrfs_item_ptr(leaf, path->slots[0],
+                                           struct btrfs_file_extent_item);
+                       btrfs_set_file_extent_num_bytes(leaf, fi,
+                                                       other_end - start);
+                       btrfs_set_file_extent_offset(leaf, fi,
+                                                    start - orig_offset);
+                       btrfs_mark_buffer_dirty(leaf);
+                       goto out;
+               }
+       }
 
        while (start > key.offset || end < extent_end) {
                if (key.offset == start)
                        split = end;
 
-               memcpy(&new_key, &key, sizeof(new_key));
                new_key.offset = split;
                ret = btrfs_duplicate_item(trans, root, path, &new_key);
                if (ret == -EAGAIN) {
@@ -631,15 +683,18 @@ again:
                        path->slots[0]--;
                        extent_end = end;
                }
+               recow = 1;
        }
 
-       fi = btrfs_item_ptr(leaf, path->slots[0],
-                           struct btrfs_file_extent_item);
-
        other_start = end;
        other_end = 0;
-       if (extent_mergeable(leaf, path->slots[0] + 1, inode->i_ino,
-                            bytenr, &other_start, &other_end)) {
+       if (extent_mergeable(leaf, path->slots[0] + 1,
+                            inode->i_ino, bytenr, orig_offset,
+                            &other_start, &other_end)) {
+               if (recow) {
+                       btrfs_release_path(root, path);
+                       goto again;
+               }
                extent_end = other_end;
                del_slot = path->slots[0] + 1;
                del_nr++;
@@ -650,8 +705,13 @@ again:
        }
        other_start = 0;
        other_end = start;
-       if (extent_mergeable(leaf, path->slots[0] - 1, inode->i_ino,
-                            bytenr, &other_start, &other_end)) {
+       if (extent_mergeable(leaf, path->slots[0] - 1,
+                            inode->i_ino, bytenr, orig_offset,
+                            &other_start, &other_end)) {
+               if (recow) {
+                       btrfs_release_path(root, path);
+                       goto again;
+               }
                key.offset = other_start;
                del_slot = path->slots[0];
                del_nr++;
@@ -660,22 +720,22 @@ again:
                                        inode->i_ino, orig_offset);
                BUG_ON(ret);
        }
+       fi = btrfs_item_ptr(leaf, path->slots[0],
+                          struct btrfs_file_extent_item);
        if (del_nr == 0) {
                btrfs_set_file_extent_type(leaf, fi,
                                           BTRFS_FILE_EXTENT_REG);
                btrfs_mark_buffer_dirty(leaf);
-               goto out;
-       }
-
-       fi = btrfs_item_ptr(leaf, del_slot - 1,
-                           struct btrfs_file_extent_item);
-       btrfs_set_file_extent_type(leaf, fi, BTRFS_FILE_EXTENT_REG);
-       btrfs_set_file_extent_num_bytes(leaf, fi,
-                                       extent_end - key.offset);
-       btrfs_mark_buffer_dirty(leaf);
+       } else {
+               btrfs_set_file_extent_type(leaf, fi,
+                                          BTRFS_FILE_EXTENT_REG);
+               btrfs_set_file_extent_num_bytes(leaf, fi,
+                                               extent_end - key.offset);
+               btrfs_mark_buffer_dirty(leaf);
 
-       ret = btrfs_del_items(trans, root, path, del_slot, del_nr);
-       BUG_ON(ret);
+               ret = btrfs_del_items(trans, root, path, del_slot, del_nr);
+               BUG_ON(ret);
+       }
 out:
        btrfs_free_path(path);
        return 0;
index 5440bab2363565e5c50399eb32b9f6e8ed103728..b330e27c2d8b01e3e3b619266936ebd927918297 100644 (file)
@@ -3796,6 +3796,12 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 
        if (location.type == BTRFS_INODE_ITEM_KEY) {
                inode = btrfs_iget(dir->i_sb, &location, root);
+               if (unlikely(root->clean_orphans) &&
+                   !(inode->i_sb->s_flags & MS_RDONLY)) {
+                       down_read(&root->fs_info->cleanup_work_sem);
+                       btrfs_orphan_cleanup(root);
+                       up_read(&root->fs_info->cleanup_work_sem);
+               }
                return inode;
        }
 
@@ -3995,7 +4001,11 @@ skip:
 
        /* Reached end of directory/root. Bump pos past the last item. */
        if (key_type == BTRFS_DIR_INDEX_KEY)
-               filp->f_pos = INT_LIMIT(off_t);
+               /*
+                * 32-bit glibc will use getdents64, but then strtol -
+                * so the last number we can serve is this.
+                */
+               filp->f_pos = 0x7fffffff;
        else
                filp->f_pos++;
 nopos:
index b10a49d4bc6a258d1439825388e4685fbb7abb8a..5c2a9e78a949a03ff239db3b99843c258ce7cd84 100644 (file)
@@ -626,6 +626,8 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset,
 
        if (ordered)
                offset = entry_end(ordered);
+       else
+               offset = ALIGN(offset, BTRFS_I(inode)->root->sectorsize);
 
        mutex_lock(&tree->mutex);
        disk_i_size = BTRFS_I(inode)->disk_i_size;
index a9728680eca8ed299deb7fc322be97deeeb6f51b..ed3e4a2ec2c833b3aac4faf6143c4c3f22584b3e 100644 (file)
@@ -3281,8 +3281,10 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
                return -ENOMEM;
 
        path = btrfs_alloc_path();
-       if (!path)
+       if (!path) {
+               kfree(cluster);
                return -ENOMEM;
+       }
 
        rc->extents_found = 0;
        rc->extents_skipped = 0;
index 198cff28766d494f3a919673775fe679d560722f..220dad5db017fcd928e01eeaea010ed78300a235 100644 (file)
@@ -2649,8 +2649,10 @@ again:
        em = lookup_extent_mapping(em_tree, logical, *length);
        read_unlock(&em_tree->lock);
 
-       if (!em && unplug_page)
+       if (!em && unplug_page) {
+               kfree(multi);
                return 0;
+       }
 
        if (!em) {
                printk(KERN_CRIT "unable to find logical %llu len %llu\n",
index fbb6e5eed6971a5a3b68e0e6c55bfa26fc8ec623..7cb0a59f4b9d2e7e6576be83d4787e599f9dd834 100644 (file)
@@ -1748,7 +1748,7 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
                            char *cipher_name, size_t *key_size)
 {
        char dummy_key[ECRYPTFS_MAX_KEY_BYTES];
-       char *full_alg_name;
+       char *full_alg_name = NULL;
        int rc;
 
        *key_tfm = NULL;
@@ -1763,7 +1763,6 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
        if (rc)
                goto out;
        *key_tfm = crypto_alloc_blkcipher(full_alg_name, 0, CRYPTO_ALG_ASYNC);
-       kfree(full_alg_name);
        if (IS_ERR(*key_tfm)) {
                rc = PTR_ERR(*key_tfm);
                printk(KERN_ERR "Unable to allocate crypto cipher with name "
@@ -1786,6 +1785,7 @@ ecryptfs_process_key_cipher(struct crypto_blkcipher **key_tfm,
                goto out;
        }
 out:
+       kfree(full_alg_name);
        return rc;
 }
 
index 9e944057001bfb83bc484b2136e628d2282c089f..678172b61be2a676de90fa8d7e5101e04f566ed4 100644 (file)
@@ -158,7 +158,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
        struct dentry *ecryptfs_dentry = file->f_path.dentry;
        /* Private value of ecryptfs_dentry allocated in
         * ecryptfs_lookup() */
-       struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
+       struct dentry *lower_dentry;
        struct ecryptfs_file_info *file_info;
 
        mount_crypt_stat = &ecryptfs_superblock_to_private(
@@ -191,13 +191,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
                                      | ECRYPTFS_ENCRYPTED);
        }
        mutex_unlock(&crypt_stat->cs_mutex);
-       if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
-           && !(file->f_flags & O_RDONLY)) {
-               rc = -EPERM;
-               printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
-                      "file must hence be opened RO\n", __func__);
-               goto out;
-       }
        if (!ecryptfs_inode_to_private(inode)->lower_file) {
                rc = ecryptfs_init_persistent_file(ecryptfs_dentry);
                if (rc) {
@@ -208,6 +201,13 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
                        goto out;
                }
        }
+       if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
+           && !(file->f_flags & O_RDONLY)) {
+               rc = -EPERM;
+               printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
+                      "file must hence be opened RO\n", __func__);
+               goto out;
+       }
        ecryptfs_set_file_lower(
                file, ecryptfs_inode_to_private(inode)->lower_file);
        if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) {
@@ -299,7 +299,6 @@ static int ecryptfs_ioctl(struct inode *inode, struct file *file,
 const struct file_operations ecryptfs_dir_fops = {
        .readdir = ecryptfs_readdir,
        .ioctl = ecryptfs_ioctl,
-       .mmap = generic_file_mmap,
        .open = ecryptfs_open,
        .flush = ecryptfs_flush,
        .release = ecryptfs_release,
index 7f8545032930fb48bdc2a2063082e3959f33562d..4a430ab4115c056851a9a98788417a44751e6205 100644 (file)
@@ -282,7 +282,8 @@ int ecryptfs_lookup_and_interpose_lower(struct dentry *ecryptfs_dentry,
                goto out;
        }
        rc = ecryptfs_interpose(lower_dentry, ecryptfs_dentry,
-                               ecryptfs_dir_inode->i_sb, 1);
+                               ecryptfs_dir_inode->i_sb,
+                               ECRYPTFS_INTERPOSE_FLAG_D_ADD);
        if (rc) {
                printk(KERN_ERR "%s: Error interposing; rc = [%d]\n",
                       __func__, rc);
@@ -463,9 +464,6 @@ out_lock:
        unlock_dir(lower_dir_dentry);
        dput(lower_new_dentry);
        dput(lower_old_dentry);
-       d_drop(lower_old_dentry);
-       d_drop(new_dentry);
-       d_drop(old_dentry);
        return rc;
 }
 
@@ -614,6 +612,7 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        struct dentry *lower_new_dentry;
        struct dentry *lower_old_dir_dentry;
        struct dentry *lower_new_dir_dentry;
+       struct dentry *trap = NULL;
 
        lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
        lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
@@ -621,7 +620,17 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        dget(lower_new_dentry);
        lower_old_dir_dentry = dget_parent(lower_old_dentry);
        lower_new_dir_dentry = dget_parent(lower_new_dentry);
-       lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
+       trap = lock_rename(lower_old_dir_dentry, lower_new_dir_dentry);
+       /* source should not be ancestor of target */
+       if (trap == lower_old_dentry) {
+               rc = -EINVAL;
+               goto out_lock;
+       }
+       /* target should not be ancestor of source */
+       if (trap == lower_new_dentry) {
+               rc = -ENOTEMPTY;
+               goto out_lock;
+       }
        rc = vfs_rename(lower_old_dir_dentry->d_inode, lower_old_dentry,
                        lower_new_dir_dentry->d_inode, lower_new_dentry);
        if (rc)
@@ -772,18 +781,23 @@ upper_size_to_lower_size(struct ecryptfs_crypt_stat *crypt_stat,
 }
 
 /**
- * ecryptfs_truncate
+ * truncate_upper
  * @dentry: The ecryptfs layer dentry
- * @new_length: The length to expand the file to
+ * @ia: Address of the ecryptfs inode's attributes
+ * @lower_ia: Address of the lower inode's attributes
  *
  * Function to handle truncations modifying the size of the file. Note
  * that the file sizes are interpolated. When expanding, we are simply
- * writing strings of 0's out. When truncating, we need to modify the
- * underlying file size according to the page index interpolations.
+ * writing strings of 0's out. When truncating, we truncate the upper
+ * inode and update the lower_ia according to the page index
+ * interpolations. If ATTR_SIZE is set in lower_ia->ia_valid upon return,
+ * the caller must use lower_ia in a call to notify_change() to perform
+ * the truncation of the lower inode.
  *
  * Returns zero on success; non-zero otherwise
  */
-int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
+static int truncate_upper(struct dentry *dentry, struct iattr *ia,
+                         struct iattr *lower_ia)
 {
        int rc = 0;
        struct inode *inode = dentry->d_inode;
@@ -794,8 +808,10 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
        loff_t lower_size_before_truncate;
        loff_t lower_size_after_truncate;
 
-       if (unlikely((new_length == i_size)))
+       if (unlikely((ia->ia_size == i_size))) {
+               lower_ia->ia_valid &= ~ATTR_SIZE;
                goto out;
+       }
        crypt_stat = &ecryptfs_inode_to_private(dentry->d_inode)->crypt_stat;
        /* Set up a fake ecryptfs file, this is used to interface with
         * the file in the underlying filesystem so that the
@@ -815,28 +831,30 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
                &fake_ecryptfs_file,
                ecryptfs_inode_to_private(dentry->d_inode)->lower_file);
        /* Switch on growing or shrinking file */
-       if (new_length > i_size) {
+       if (ia->ia_size > i_size) {
                char zero[] = { 0x00 };
 
+               lower_ia->ia_valid &= ~ATTR_SIZE;
                /* Write a single 0 at the last position of the file;
                 * this triggers code that will fill in 0's throughout
                 * the intermediate portion of the previous end of the
                 * file and the new and of the file */
                rc = ecryptfs_write(&fake_ecryptfs_file, zero,
-                                   (new_length - 1), 1);
-       } else { /* new_length < i_size_read(inode) */
-               /* We're chopping off all the pages down do the page
-                * in which new_length is located. Fill in the end of
-                * that page from (new_length & ~PAGE_CACHE_MASK) to
+                                   (ia->ia_size - 1), 1);
+       } else { /* ia->ia_size < i_size_read(inode) */
+               /* We're chopping off all the pages down to the page
+                * in which ia->ia_size is located. Fill in the end of
+                * that page from (ia->ia_size & ~PAGE_CACHE_MASK) to
                 * PAGE_CACHE_SIZE with zeros. */
                size_t num_zeros = (PAGE_CACHE_SIZE
-                                   - (new_length & ~PAGE_CACHE_MASK));
+                                   - (ia->ia_size & ~PAGE_CACHE_MASK));
 
                if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) {
-                       rc = vmtruncate(inode, new_length);
+                       rc = vmtruncate(inode, ia->ia_size);
                        if (rc)
                                goto out_free;
-                       rc = vmtruncate(lower_dentry->d_inode, new_length);
+                       lower_ia->ia_size = ia->ia_size;
+                       lower_ia->ia_valid |= ATTR_SIZE;
                        goto out_free;
                }
                if (num_zeros) {
@@ -848,7 +866,7 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
                                goto out_free;
                        }
                        rc = ecryptfs_write(&fake_ecryptfs_file, zeros_virt,
-                                           new_length, num_zeros);
+                                           ia->ia_size, num_zeros);
                        kfree(zeros_virt);
                        if (rc) {
                                printk(KERN_ERR "Error attempting to zero out "
@@ -857,7 +875,7 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
                                goto out_free;
                        }
                }
-               vmtruncate(inode, new_length);
+               vmtruncate(inode, ia->ia_size);
                rc = ecryptfs_write_inode_size_to_metadata(inode);
                if (rc) {
                        printk(KERN_ERR "Problem with "
@@ -870,10 +888,12 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
                lower_size_before_truncate =
                    upper_size_to_lower_size(crypt_stat, i_size);
                lower_size_after_truncate =
-                   upper_size_to_lower_size(crypt_stat, new_length);
-               if (lower_size_after_truncate < lower_size_before_truncate)
-                       vmtruncate(lower_dentry->d_inode,
-                                  lower_size_after_truncate);
+                   upper_size_to_lower_size(crypt_stat, ia->ia_size);
+               if (lower_size_after_truncate < lower_size_before_truncate) {
+                       lower_ia->ia_size = lower_size_after_truncate;
+                       lower_ia->ia_valid |= ATTR_SIZE;
+               } else
+                       lower_ia->ia_valid &= ~ATTR_SIZE;
        }
 out_free:
        if (ecryptfs_file_to_private(&fake_ecryptfs_file))
@@ -883,6 +903,33 @@ out:
        return rc;
 }
 
+/**
+ * ecryptfs_truncate
+ * @dentry: The ecryptfs layer dentry
+ * @new_length: The length to expand the file to
+ *
+ * Simple function that handles the truncation of an eCryptfs inode and
+ * its corresponding lower inode.
+ *
+ * Returns zero on success; non-zero otherwise
+ */
+int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
+{
+       struct iattr ia = { .ia_valid = ATTR_SIZE, .ia_size = new_length };
+       struct iattr lower_ia = { .ia_valid = 0 };
+       int rc;
+
+       rc = truncate_upper(dentry, &ia, &lower_ia);
+       if (!rc && lower_ia.ia_valid & ATTR_SIZE) {
+               struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+
+               mutex_lock(&lower_dentry->d_inode->i_mutex);
+               rc = notify_change(lower_dentry, &lower_ia);
+               mutex_unlock(&lower_dentry->d_inode->i_mutex);
+       }
+       return rc;
+}
+
 static int
 ecryptfs_permission(struct inode *inode, int mask)
 {
@@ -905,6 +952,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
 {
        int rc = 0;
        struct dentry *lower_dentry;
+       struct iattr lower_ia;
        struct inode *inode;
        struct inode *lower_inode;
        struct ecryptfs_crypt_stat *crypt_stat;
@@ -943,15 +991,11 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
                }
        }
        mutex_unlock(&crypt_stat->cs_mutex);
+       memcpy(&lower_ia, ia, sizeof(lower_ia));
+       if (ia->ia_valid & ATTR_FILE)
+               lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file);
        if (ia->ia_valid & ATTR_SIZE) {
-               ecryptfs_printk(KERN_DEBUG,
-                               "ia->ia_valid = [0x%x] ATTR_SIZE" " = [0x%x]\n",
-                               ia->ia_valid, ATTR_SIZE);
-               rc = ecryptfs_truncate(dentry, ia->ia_size);
-               /* ecryptfs_truncate handles resizing of the lower file */
-               ia->ia_valid &= ~ATTR_SIZE;
-               ecryptfs_printk(KERN_DEBUG, "ia->ia_valid = [%x]\n",
-                               ia->ia_valid);
+               rc = truncate_upper(dentry, ia, &lower_ia);
                if (rc < 0)
                        goto out;
        }
@@ -960,17 +1004,32 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
         * mode change is for clearing setuid/setgid bits. Allow lower fs
         * to interpret this in its own way.
         */
-       if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
-               ia->ia_valid &= ~ATTR_MODE;
+       if (lower_ia.ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
+               lower_ia.ia_valid &= ~ATTR_MODE;
 
        mutex_lock(&lower_dentry->d_inode->i_mutex);
-       rc = notify_change(lower_dentry, ia);
+       rc = notify_change(lower_dentry, &lower_ia);
        mutex_unlock(&lower_dentry->d_inode->i_mutex);
 out:
        fsstack_copy_attr_all(inode, lower_inode);
        return rc;
 }
 
+int ecryptfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
+                    struct kstat *stat)
+{
+       struct kstat lower_stat;
+       int rc;
+
+       rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
+                        ecryptfs_dentry_to_lower(dentry), &lower_stat);
+       if (!rc) {
+               generic_fillattr(dentry->d_inode, stat);
+               stat->blocks = lower_stat.blocks;
+       }
+       return rc;
+}
+
 int
 ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
                  size_t size, int flags)
@@ -1100,6 +1159,7 @@ const struct inode_operations ecryptfs_dir_iops = {
 const struct inode_operations ecryptfs_main_iops = {
        .permission = ecryptfs_permission,
        .setattr = ecryptfs_setattr,
+       .getattr = ecryptfs_getattr,
        .setxattr = ecryptfs_setxattr,
        .getxattr = ecryptfs_getxattr,
        .listxattr = ecryptfs_listxattr,
index 567bc4b9f70a52029b4e6095a522a0b2f944b307..ea2f92101dfedab1101d98d5a4a8b88010d35897 100644 (file)
@@ -585,8 +585,8 @@ out:
  *                        with as much information as it can before needing
  *                        the lower filesystem.
  * ecryptfs_read_super(): this accesses the lower filesystem and uses
- *                        ecryptfs_interpolate to perform most of the linking
- * ecryptfs_interpolate(): links the lower filesystem into ecryptfs
+ *                        ecryptfs_interpose to perform most of the linking
+ * ecryptfs_interpose(): links the lower filesystem into ecryptfs (inode.c)
  */
 static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
                        const char *dev_name, void *raw_data,
index 37e69295f250d585b1a2f7e9bf38f80b7186cdbb..d55d905463ebc6186527403a5c9343894cdd189b 100644 (file)
@@ -555,10 +555,8 @@ static void __purge_vmap_area_lazy(unsigned long *start, unsigned long *end,
        }
        rcu_read_unlock();
 
-       if (nr) {
-               BUG_ON(nr > atomic_read(&vmap_lazy_nr));
+       if (nr)
                atomic_sub(nr, &vmap_lazy_nr);
-       }
 
        if (nr || force_flush)
                flush_tlb_kernel_range(*start, *end);