short if_broot_bytes; /* bytes allocated for root */
unsigned char if_flags; /* per-fork flags */
unsigned char if_ext_max; /* max # of extent records */
- xfs_extnum_t if_lastex; /* last if_extents used */
union {
xfs_bmbt_rec_host_t *if_extents;/* linear map file exts */
xfs_ext_irec_t *if_ext_irec; /* irec map file exts */
* Generally, we do not want to hold the i_rlock while holding the
* i_ilock. Hierarchy is i_iolock followed by i_rlock.
*
- * xfs_iptr_t contains all the inode fields upto and including the
+ * xfs_iptr_t contains all the inode fields up to and including the
* i_mnext and i_mprev fields, it is used as a marker in the inode
* chain off the mount structure by xfs_sync calls.
*/
__uint32_t di_uid; /* owner's user id */
__uint32_t di_gid; /* owner's group id */
__uint32_t di_nlink; /* number of links to file */
- __uint16_t di_projid; /* owner's project id */
- __uint8_t di_pad[8]; /* unused, zeroed space */
+ __uint16_t di_projid_lo; /* lower part of owner's project id */
+ __uint16_t di_projid_hi; /* higher part of owner's project id */
+ __uint8_t di_pad[6]; /* unused, zeroed space */
__uint16_t di_flushiter; /* incremented on flush */
xfs_ictimestamp_t di_atime; /* time last accessed */
xfs_ictimestamp_t di_mtime; /* time last modified */
#ifdef __KERNEL__
struct bhv_desc;
-struct cred;
-struct ktrace;
struct xfs_buf;
struct xfs_bmap_free;
struct xfs_bmbt_irec;
struct xfs_trans;
struct xfs_dquot;
-#if defined(XFS_ILOCK_TRACE)
-#define XFS_ILOCK_KTRACE_SIZE 32
-extern void xfs_ilock_trace(struct xfs_inode *, int, unsigned int, inst_t *);
-#else
-#define xfs_ilock_trace(i,n,f,ra)
-#endif
-
typedef struct dm_attrs_s {
__uint32_t da_dmevmask; /* DMIG event mask */
__uint16_t da_dmstate; /* DMIG state info */
xfs_ifork_t i_df; /* data fork */
/* Transaction and locking information. */
- struct xfs_trans *i_transp; /* ptr to owning transaction*/
struct xfs_inode_log_item *i_itemp; /* logging information */
mrlock_t i_lock; /* inode lock */
mrlock_t i_iolock; /* inode IO lock */
/* VFS inode */
struct inode i_vnode; /* embedded VFS inode */
-
- /* Trace buffers per inode. */
-#ifdef XFS_INODE_TRACE
- struct ktrace *i_trace; /* general inode trace */
-#endif
-#ifdef XFS_BMAP_TRACE
- struct ktrace *i_xtrace; /* inode extent list trace */
-#endif
-#ifdef XFS_BTREE_TRACE
- struct ktrace *i_btrace; /* inode bmap btree trace */
-#endif
-#ifdef XFS_RW_TRACE
- struct ktrace *i_rwtrace; /* inode read/write trace */
-#endif
-#ifdef XFS_ILOCK_TRACE
- struct ktrace *i_lock_trace; /* inode lock/unlock trace */
-#endif
-#ifdef XFS_DIR2_TRACE
- struct ktrace *i_dir_trace; /* inode directory trace */
-#endif
} xfs_inode_t;
#define XFS_ISIZE(ip) (((ip)->i_d.di_mode & S_IFMT) == S_IFREG) ? \
return ret;
}
+/*
+ * Project quota id helpers (previously projid was 16bit only
+ * and using two 16bit values to hold new 32bit projid was chosen
+ * to retain compatibility with "old" filesystems).
+ */
+static inline prid_t
+xfs_get_projid(struct xfs_inode *ip)
+{
+ return (prid_t)ip->i_d.di_projid_hi << 16 | ip->i_d.di_projid_lo;
+}
+
+static inline void
+xfs_set_projid(struct xfs_inode *ip,
+ prid_t projid)
+{
+ ip->i_d.di_projid_hi = (__uint16_t) (projid >> 16);
+ ip->i_d.di_projid_lo = (__uint16_t) (projid & 0xffff);
+}
+
/*
* Manage the i_flush queue embedded in the inode. This completion
* queue synchronizes processes attempting to flush the in-core
/*
* In-core inode flags.
*/
-#define XFS_IRECLAIM 0x0001 /* we have started reclaiming this inode */
-#define XFS_ISTALE 0x0002 /* inode has been staled */
-#define XFS_IRECLAIMABLE 0x0004 /* inode can be reclaimed */
-#define XFS_INEW 0x0008 /* inode has just been allocated */
-#define XFS_IFILESTREAM 0x0010 /* inode is in a filestream directory */
-#define XFS_ITRUNCATED 0x0020 /* truncated down so flush-on-close */
+#define XFS_IRECLAIM 0x0001 /* started reclaiming this inode */
+#define XFS_ISTALE 0x0002 /* inode has been staled */
+#define XFS_IRECLAIMABLE 0x0004 /* inode can be reclaimed */
+#define XFS_INEW 0x0008 /* inode has just been allocated */
+#define XFS_IFILESTREAM 0x0010 /* inode is in a filestream directory */
+#define XFS_ITRUNCATED 0x0020 /* truncated down so flush-on-close */
+#define XFS_IDIRTY_RELEASE 0x0040 /* dirty release already seen */
+
+/*
+ * Per-lifetime flags need to be reset when re-using a reclaimable inode during
+ * inode lookup. Thi prevents unintended behaviour on the new inode from
+ * ocurring.
+ */
+#define XFS_IRECLAIM_RESET_FLAGS \
+ (XFS_IRECLAIMABLE | XFS_IRECLAIM | \
+ XFS_IDIRTY_RELEASE | XFS_ITRUNCATED | \
+ XFS_IFILESTREAM);
/*
* Flags for inode locking.
#define XFS_LOCK_MASK (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED \
| XFS_ILOCK_EXCL | XFS_ILOCK_SHARED)
+#define XFS_LOCK_FLAGS \
+ { XFS_IOLOCK_EXCL, "IOLOCK_EXCL" }, \
+ { XFS_IOLOCK_SHARED, "IOLOCK_SHARED" }, \
+ { XFS_ILOCK_EXCL, "ILOCK_EXCL" }, \
+ { XFS_ILOCK_SHARED, "ILOCK_SHARED" }, \
+ { XFS_IUNLOCK_NONOTIFY, "IUNLOCK_NONOTIFY" }
+
+
/*
* Flags for lockdep annotations.
*
- * XFS_I[O]LOCK_PARENT - for operations that require locking two inodes
- * (ie directory operations that require locking a directory inode and
- * an entry inode). The first inode gets locked with this flag so it
- * gets a lockdep subclass of 1 and the second lock will have a lockdep
- * subclass of 0.
+ * XFS_LOCK_PARENT - for directory operations that require locking a
+ * parent directory inode and a child entry inode. The parent gets locked
+ * with this flag so it gets a lockdep subclass of 1 and the child entry
+ * lock will have a lockdep subclass of 0.
+ *
+ * XFS_LOCK_RTBITMAP/XFS_LOCK_RTSUM - the realtime device bitmap and summary
+ * inodes do not participate in the normal lock order, and thus have their
+ * own subclasses.
*
* XFS_LOCK_INUMORDER - for locking several inodes at the some time
* with xfs_lock_inodes(). This flag is used as the starting subclass
* and each subsequent lock acquired will increment the subclass by one.
- * So the first lock acquired will have a lockdep subclass of 2, the
- * second lock will have a lockdep subclass of 3, and so on. It is
+ * So the first lock acquired will have a lockdep subclass of 4, the
+ * second lock will have a lockdep subclass of 5, and so on. It is
* the responsibility of the class builder to shift this to the correct
* portion of the lock_mode lockdep mask.
*/
#define XFS_LOCK_PARENT 1
-#define XFS_LOCK_INUMORDER 2
+#define XFS_LOCK_RTBITMAP 2
+#define XFS_LOCK_RTSUM 3
+#define XFS_LOCK_INUMORDER 4
#define XFS_IOLOCK_SHIFT 16
#define XFS_IOLOCK_PARENT (XFS_LOCK_PARENT << XFS_IOLOCK_SHIFT)
#define XFS_ILOCK_SHIFT 24
#define XFS_ILOCK_PARENT (XFS_LOCK_PARENT << XFS_ILOCK_SHIFT)
+#define XFS_ILOCK_RTBITMAP (XFS_LOCK_RTBITMAP << XFS_ILOCK_SHIFT)
+#define XFS_ILOCK_RTSUM (XFS_LOCK_RTSUM << XFS_ILOCK_SHIFT)
#define XFS_IOLOCK_DEP_MASK 0x00ff0000
#define XFS_ILOCK_DEP_MASK 0xff000000
#define XFS_IOLOCK_DEP(flags) (((flags) & XFS_IOLOCK_DEP_MASK) >> XFS_IOLOCK_SHIFT)
#define XFS_ILOCK_DEP(flags) (((flags) & XFS_ILOCK_DEP_MASK) >> XFS_ILOCK_SHIFT)
-/*
- * Flags for xfs_iflush()
- */
-#define XFS_IFLUSH_DELWRI_ELSE_SYNC 1
-#define XFS_IFLUSH_DELWRI_ELSE_ASYNC 2
-#define XFS_IFLUSH_SYNC 3
-#define XFS_IFLUSH_ASYNC 4
-#define XFS_IFLUSH_DELWRI 5
-#define XFS_IFLUSH_ASYNC_NOBLOCK 6
-
-/*
- * Flags for xfs_itruncate_start().
- */
-#define XFS_ITRUNC_DEFINITE 0x1
-#define XFS_ITRUNC_MAYBE 0x2
+extern struct lock_class_key xfs_iolock_reclaimable;
/*
* For multiple groups support: if S_ISGID bit is set in the parent
/*
* xfs_iget.c prototypes.
*/
-xfs_inode_t *xfs_inode_incore(struct xfs_mount *, xfs_ino_t,
- struct xfs_trans *);
int xfs_iget(struct xfs_mount *, struct xfs_trans *, xfs_ino_t,
- uint, uint, xfs_inode_t **, xfs_daddr_t);
-void xfs_iput(xfs_inode_t *, uint);
-void xfs_iput_new(xfs_inode_t *, uint);
+ uint, uint, xfs_inode_t **);
void xfs_ilock(xfs_inode_t *, uint);
int xfs_ilock_nowait(xfs_inode_t *, uint);
void xfs_iunlock(xfs_inode_t *, uint);
int xfs_isilocked(xfs_inode_t *, uint);
uint xfs_ilock_map_shared(xfs_inode_t *);
void xfs_iunlock_map_shared(xfs_inode_t *, uint);
-void xfs_ireclaim(xfs_inode_t *);
+void xfs_inode_free(struct xfs_inode *ip);
/*
* xfs_inode.c prototypes.
*/
int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t,
- xfs_nlink_t, xfs_dev_t, cred_t *, xfs_prid_t,
- int, struct xfs_buf **, boolean_t *, xfs_inode_t **);
+ xfs_nlink_t, xfs_dev_t, prid_t, int,
+ struct xfs_buf **, boolean_t *, xfs_inode_t **);
uint xfs_ip2xflags(struct xfs_inode *);
uint xfs_dic2xflags(struct xfs_dinode *);
int xfs_ifree(struct xfs_trans *, xfs_inode_t *,
struct xfs_bmap_free *);
-int xfs_itruncate_start(xfs_inode_t *, uint, xfs_fsize_t);
-int xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *,
- xfs_fsize_t, int, int);
+int xfs_itruncate_extents(struct xfs_trans **, struct xfs_inode *,
+ int, xfs_fsize_t);
+int xfs_itruncate_data(struct xfs_trans **, struct xfs_inode *,
+ xfs_fsize_t);
int xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
void xfs_iext_realloc(xfs_inode_t *, int, int);
-void xfs_ipin(xfs_inode_t *);
-void xfs_iunpin(xfs_inode_t *);
+void xfs_iunpin_wait(xfs_inode_t *);
int xfs_iflush(xfs_inode_t *, uint);
-void xfs_ichgtime(xfs_inode_t *, int);
void xfs_lock_inodes(xfs_inode_t **, int, uint);
void xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
-void xfs_synchronize_atime(xfs_inode_t *);
+void xfs_synchronize_times(xfs_inode_t *);
+void xfs_mark_inode_dirty(xfs_inode_t *);
void xfs_mark_inode_dirty_sync(xfs_inode_t *);
-#if defined(XFS_INODE_TRACE)
-
-#define INODE_TRACE_SIZE 16 /* number of trace entries */
-#define INODE_KTRACE_ENTRY 1
-#define INODE_KTRACE_EXIT 2
-#define INODE_KTRACE_HOLD 3
-#define INODE_KTRACE_REF 4
-#define INODE_KTRACE_RELE 5
-
-extern void _xfs_itrace_entry(struct xfs_inode *, const char *, inst_t *);
-extern void _xfs_itrace_exit(struct xfs_inode *, const char *, inst_t *);
-extern void xfs_itrace_hold(struct xfs_inode *, char *, int, inst_t *);
-extern void _xfs_itrace_ref(struct xfs_inode *, char *, int, inst_t *);
-extern void xfs_itrace_rele(struct xfs_inode *, char *, int, inst_t *);
-#define xfs_itrace_entry(ip) \
- _xfs_itrace_entry(ip, __func__, (inst_t *)__return_address)
-#define xfs_itrace_exit(ip) \
- _xfs_itrace_exit(ip, __func__, (inst_t *)__return_address)
-#define xfs_itrace_exit_tag(ip, tag) \
- _xfs_itrace_exit(ip, tag, (inst_t *)__return_address)
-#define xfs_itrace_ref(ip) \
- _xfs_itrace_ref(ip, __FILE__, __LINE__, (inst_t *)__return_address)
-
-#else
-#define xfs_itrace_entry(a)
-#define xfs_itrace_exit(a)
-#define xfs_itrace_exit_tag(a, b)
-#define xfs_itrace_hold(a, b, c, d)
-#define xfs_itrace_ref(a)
-#define xfs_itrace_rele(a, b, c, d)
-#endif
-
#define IHOLD(ip) \
do { \
ASSERT(atomic_read(&VFS_I(ip)->i_count) > 0) ; \
- atomic_inc(&(VFS_I(ip)->i_count)); \
- xfs_itrace_hold((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+ ihold(VFS_I(ip)); \
+ trace_xfs_ihold(ip, _THIS_IP_); \
} while (0)
#define IRELE(ip) \
do { \
- xfs_itrace_rele((ip), __FILE__, __LINE__, (inst_t *)__return_address); \
+ trace_xfs_irele(ip, _THIS_IP_); \
iput(VFS_I(ip)); \
} while (0)
* Flags for xfs_iget()
*/
#define XFS_IGET_CREATE 0x1
-#define XFS_IGET_BULKSTAT 0x2
+#define XFS_IGET_UNTRUSTED 0x2
int xfs_inotobp(struct xfs_mount *, struct xfs_trans *,
xfs_ino_t, struct xfs_dinode **,
struct xfs_inode *, struct xfs_dinode **,
struct xfs_buf **, uint);
int xfs_iread(struct xfs_mount *, struct xfs_trans *,
- struct xfs_inode *, xfs_daddr_t, uint);
+ struct xfs_inode *, uint);
void xfs_dinode_to_disk(struct xfs_dinode *,
struct xfs_icdinode *);
void xfs_idestroy_fork(struct xfs_inode *, int);
int xfs_iextents_copy(struct xfs_inode *, xfs_bmbt_rec_t *, int);
xfs_bmbt_rec_host_t *xfs_iext_get_ext(xfs_ifork_t *, xfs_extnum_t);
-void xfs_iext_insert(xfs_ifork_t *, xfs_extnum_t, xfs_extnum_t,
- xfs_bmbt_irec_t *);
+void xfs_iext_insert(xfs_inode_t *, xfs_extnum_t, xfs_extnum_t,
+ xfs_bmbt_irec_t *, int);
void xfs_iext_add(xfs_ifork_t *, xfs_extnum_t, int);
void xfs_iext_add_indirect_multi(xfs_ifork_t *, int, xfs_extnum_t, int);
-void xfs_iext_remove(xfs_ifork_t *, xfs_extnum_t, int);
+void xfs_iext_remove(xfs_inode_t *, xfs_extnum_t, int, int);
void xfs_iext_remove_inline(xfs_ifork_t *, xfs_extnum_t, int);
void xfs_iext_remove_direct(xfs_ifork_t *, xfs_extnum_t, int);
void xfs_iext_remove_indirect(xfs_ifork_t *, xfs_extnum_t, int);
#define xfs_ipincount(ip) ((unsigned int) atomic_read(&ip->i_pincount))
-#ifdef DEBUG
-void xfs_isize_check(struct xfs_mount *, struct xfs_inode *,
- xfs_fsize_t);
-#else /* DEBUG */
-#define xfs_isize_check(mp, ip, isize)
-#endif /* DEBUG */
-
#if defined(DEBUG)
void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);
#else