quota: Coding style fixes
Jan Kara [Tue, 27 Jan 2009 14:47:22 +0000 (15:47 +0100)]
Wrap long lines, remove assignments from conditions, rewrite two
overcomplicated for loops.

Signed-off-by: Jan Kara <jack@suse.cz>

fs/quota/dquot.c
fs/quota/quota.c
fs/quota/quota_tree.c
fs/quota/quota_v1.c
fs/quota/quota_v2.c

index 4a37b8e..a1bd5ea 100644 (file)
@@ -156,7 +156,9 @@ void unregister_quota_format(struct quota_format_type *fmt)
        struct quota_format_type **actqf;
 
        spin_lock(&dq_list_lock);
-       for (actqf = &quota_formats; *actqf && *actqf != fmt; actqf = &(*actqf)->qf_next);
+       for (actqf = &quota_formats; *actqf && *actqf != fmt;
+            actqf = &(*actqf)->qf_next)
+               ;
        if (*actqf)
                *actqf = (*actqf)->qf_next;
        spin_unlock(&dq_list_lock);
@@ -168,18 +170,25 @@ static struct quota_format_type *find_quota_format(int id)
        struct quota_format_type *actqf;
 
        spin_lock(&dq_list_lock);
-       for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id; actqf = actqf->qf_next);
+       for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id;
+            actqf = actqf->qf_next)
+               ;
        if (!actqf || !try_module_get(actqf->qf_owner)) {
                int qm;
 
                spin_unlock(&dq_list_lock);
                
-               for (qm = 0; module_names[qm].qm_fmt_id && module_names[qm].qm_fmt_id != id; qm++);
-               if (!module_names[qm].qm_fmt_id || request_module(module_names[qm].qm_mod_name))
+               for (qm = 0; module_names[qm].qm_fmt_id &&
+                            module_names[qm].qm_fmt_id != id; qm++)
+                       ;
+               if (!module_names[qm].qm_fmt_id ||
+                   request_module(module_names[qm].qm_mod_name))
                        return NULL;
 
                spin_lock(&dq_list_lock);
-               for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id; actqf = actqf->qf_next);
+               for (actqf = quota_formats; actqf && actqf->qf_fmt_id != id;
+                    actqf = actqf->qf_next)
+                       ;
                if (actqf && !try_module_get(actqf->qf_owner))
                        actqf = NULL;
        }
@@ -234,7 +243,8 @@ hashfn(const struct super_block *sb, unsigned int id, int type)
  */
 static inline void insert_dquot_hash(struct dquot *dquot)
 {
-       struct hlist_head *head = dquot_hash + hashfn(dquot->dq_sb, dquot->dq_id, dquot->dq_type);
+       struct hlist_head *head;
+       head = dquot_hash + hashfn(dquot->dq_sb, dquot->dq_id, dquot->dq_type);
        hlist_add_head(&dquot->dq_hash, head);
 }
 
@@ -251,7 +261,8 @@ static struct dquot *find_dquot(unsigned int hashent, struct super_block *sb,
 
        hlist_for_each (node, dquot_hash+hashent) {
                dquot = hlist_entry(node, struct dquot, dq_hash);
-               if (dquot->dq_sb == sb && dquot->dq_id == id && dquot->dq_type == type)
+               if (dquot->dq_sb == sb && dquot->dq_id == id &&
+                   dquot->dq_type == type)
                        return dquot;
        }
        return NULL;
@@ -351,8 +362,10 @@ int dquot_acquire(struct dquot *dquot)
        if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags) && !dquot->dq_off) {
                ret = dqopt->ops[dquot->dq_type]->commit_dqblk(dquot);
                /* Write the info if needed */
-               if (info_dirty(&dqopt->info[dquot->dq_type]))
-                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(dquot->dq_sb, dquot->dq_type);
+               if (info_dirty(&dqopt->info[dquot->dq_type])) {
+                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(
+                                               dquot->dq_sb, dquot->dq_type);
+               }
                if (ret < 0)
                        goto out_iolock;
                if (ret2 < 0) {
@@ -387,8 +400,10 @@ int dquot_commit(struct dquot *dquot)
         * => we have better not writing it */
        if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) {
                ret = dqopt->ops[dquot->dq_type]->commit_dqblk(dquot);
-               if (info_dirty(&dqopt->info[dquot->dq_type]))
-                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(dquot->dq_sb, dquot->dq_type);
+               if (info_dirty(&dqopt->info[dquot->dq_type])) {
+                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(
+                                               dquot->dq_sb, dquot->dq_type);
+               }
                if (ret >= 0)
                        ret = ret2;
        }
@@ -414,8 +429,10 @@ int dquot_release(struct dquot *dquot)
        if (dqopt->ops[dquot->dq_type]->release_dqblk) {
                ret = dqopt->ops[dquot->dq_type]->release_dqblk(dquot);
                /* Write the info */
-               if (info_dirty(&dqopt->info[dquot->dq_type]))
-                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(dquot->dq_sb, dquot->dq_type);
+               if (info_dirty(&dqopt->info[dquot->dq_type])) {
+                       ret2 = dqopt->ops[dquot->dq_type]->write_file_info(
+                                               dquot->dq_sb, dquot->dq_type);
+               }
                if (ret >= 0)
                        ret = ret2;
        }
@@ -543,7 +560,8 @@ int vfs_quota_sync(struct super_block *sb, int type)
                spin_lock(&dq_list_lock);
                dirty = &dqopt->info[cnt].dqi_dirty_list;
                while (!list_empty(dirty)) {
-                       dquot = list_first_entry(dirty, struct dquot, dq_dirty);
+                       dquot = list_first_entry(dirty, struct dquot,
+                                                dq_dirty);
                        /* Dirty and inactive can be only bad dquot... */
                        if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) {
                                clear_dquot_dirty(dquot);
@@ -763,11 +781,12 @@ we_slept:
                dqstats.lookups++;
                spin_unlock(&dq_list_lock);
        }
-       /* Wait for dq_lock - after this we know that either dquot_release() is already
-        * finished or it will be canceled due to dq_count > 1 test */
+       /* Wait for dq_lock - after this we know that either dquot_release() is
+        * already finished or it will be canceled due to dq_count > 1 test */
        wait_on_dquot(dquot);
-       /* Read the dquot and instantiate it (everything done only if needed) */
-       if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags) && sb->dq_op->acquire_dquot(dquot) < 0) {
+       /* Read the dquot / allocate space in quota file */
+       if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags) &&
+           sb->dq_op->acquire_dquot(dquot) < 0) {
                dqput(dquot);
                dquot = NULL;
                goto out;
@@ -828,7 +847,10 @@ static void add_dquot_ref(struct super_block *sb, int type)
        iput(old_inode);
 }
 
-/* Return 0 if dqput() won't block (note that 1 doesn't necessarily mean blocking) */
+/*
+ * Return 0 if dqput() won't block.
+ * (note that 1 doesn't necessarily mean blocking)
+ */
 static inline int dqput_blocks(struct dquot *dquot)
 {
        if (atomic_read(&dquot->dq_count) <= 1)
@@ -836,8 +858,11 @@ static inline int dqput_blocks(struct dquot *dquot)
        return 0;
 }
 
-/* Remove references to dquots from inode - add dquot to list for freeing if needed */
-/* We can't race with anybody because we hold dqptr_sem for writing... */
+/*
+ * Remove references to dquots from inode and add dquot to list for freeing
+ * if we have the last referece to dquot
+ * We can't race with anybody because we hold dqptr_sem for writing...
+ */
 static int remove_inode_dquot_ref(struct inode *inode, int type,
                                  struct list_head *tofree_head)
 {
@@ -851,7 +876,9 @@ static int remove_inode_dquot_ref(struct inode *inode, int type,
                                printk(KERN_WARNING "VFS: Adding dquot with dq_count %d to dispose list.\n", atomic_read(&dquot->dq_count));
 #endif
                        spin_lock(&dq_list_lock);
-                       list_add(&dquot->dq_free, tofree_head); /* As dquot must have currently users it can't be on the free list... */
+                       /* As dquot must have currently users it can't be on
+                        * the free list... */
+                       list_add(&dquot->dq_free, tofree_head);
                        spin_unlock(&dq_list_lock);
                        return 1;
                }
@@ -861,19 +888,22 @@ static int remove_inode_dquot_ref(struct inode *inode, int type,
        return 0;
 }
 
-/* Free list of dquots - called from inode.c */
-/* dquots are removed from inodes, no new references can be got so we are the only ones holding reference */
+/*
+ * Free list of dquots
+ * Dquots are removed from inodes and no new references can be got so we are
+ * the only ones holding reference
+ */
 static void put_dquot_list(struct list_head *tofree_head)
 {
        struct list_head *act_head;
        struct dquot *dquot;
 
        act_head = tofree_head->next;
-       /* So now we have dquots on the list... Just free them */
        while (act_head != tofree_head) {
                dquot = list_entry(act_head, struct dquot, dq_free);
                act_head = act_head->next;
-               list_del_init(&dquot->dq_free); /* Remove dquot from the list so we won't have problems... */
+               /* Remove dquot from the list so we won't have problems... */
+               list_del_init(&dquot->dq_free);
                dqput(dquot);
        }
 }
@@ -1131,37 +1161,42 @@ static int ignore_hardlimit(struct dquot *dquot)
        struct mem_dqinfo *info = &sb_dqopt(dquot->dq_sb)->info[dquot->dq_type];
 
        return capable(CAP_SYS_RESOURCE) &&
-           (info->dqi_format->qf_fmt_id != QFMT_VFS_OLD || !(info->dqi_flags & V1_DQF_RSQUASH));
+              (info->dqi_format->qf_fmt_id != QFMT_VFS_OLD ||
+               !(info->dqi_flags & V1_DQF_RSQUASH));
 }
 
 /* needs dq_data_lock */
 static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 {
+       qsize_t newinodes = dquot->dq_dqb.dqb_curinodes + inodes;
+
        *warntype = QUOTA_NL_NOWARN;
        if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
            test_bit(DQ_FAKE_B, &dquot->dq_flags))
                return QUOTA_OK;
 
        if (dquot->dq_dqb.dqb_ihardlimit &&
-          (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_ihardlimit &&
+           newinodes > dquot->dq_dqb.dqb_ihardlimit &&
             !ignore_hardlimit(dquot)) {
                *warntype = QUOTA_NL_IHARDWARN;
                return NO_QUOTA;
        }
 
        if (dquot->dq_dqb.dqb_isoftlimit &&
-          (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_isoftlimit &&
-           dquot->dq_dqb.dqb_itime && get_seconds() >= dquot->dq_dqb.dqb_itime &&
+           newinodes > dquot->dq_dqb.dqb_isoftlimit &&
+           dquot->dq_dqb.dqb_itime &&
+           get_seconds() >= dquot->dq_dqb.dqb_itime &&
             !ignore_hardlimit(dquot)) {
                *warntype = QUOTA_NL_ISOFTLONGWARN;
                return NO_QUOTA;
        }
 
        if (dquot->dq_dqb.dqb_isoftlimit &&
-          (dquot->dq_dqb.dqb_curinodes + inodes) > dquot->dq_dqb.dqb_isoftlimit &&
+           newinodes > dquot->dq_dqb.dqb_isoftlimit &&
            dquot->dq_dqb.dqb_itime == 0) {
                *warntype = QUOTA_NL_ISOFTWARN;
-               dquot->dq_dqb.dqb_itime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace;
+               dquot->dq_dqb.dqb_itime = get_seconds() +
+                   sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace;
        }
 
        return QUOTA_OK;
@@ -1171,9 +1206,10 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *warntype)
 {
        qsize_t tspace;
+       struct super_block *sb = dquot->dq_sb;
 
        *warntype = QUOTA_NL_NOWARN;
-       if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
+       if (!sb_has_quota_limits_enabled(sb, dquot->dq_type) ||
            test_bit(DQ_FAKE_B, &dquot->dq_flags))
                return QUOTA_OK;
 
@@ -1190,7 +1226,8 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
 
        if (dquot->dq_dqb.dqb_bsoftlimit &&
            tspace > dquot->dq_dqb.dqb_bsoftlimit &&
-           dquot->dq_dqb.dqb_btime && get_seconds() >= dquot->dq_dqb.dqb_btime &&
+           dquot->dq_dqb.dqb_btime &&
+           get_seconds() >= dquot->dq_dqb.dqb_btime &&
             !ignore_hardlimit(dquot)) {
                if (!prealloc)
                        *warntype = QUOTA_NL_BSOFTLONGWARN;
@@ -1202,7 +1239,8 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
            dquot->dq_dqb.dqb_btime == 0) {
                if (!prealloc) {
                        *warntype = QUOTA_NL_BSOFTWARN;
-                       dquot->dq_dqb.dqb_btime = get_seconds() + sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_bgrace;
+                       dquot->dq_dqb.dqb_btime = get_seconds() +
+                           sb_dqopt(sb)->info[dquot->dq_type].dqi_bgrace;
                }
                else
                        /*
@@ -1217,15 +1255,18 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
 
 static int info_idq_free(struct dquot *dquot, qsize_t inodes)
 {
+       qsize_t newinodes;
+
        if (test_bit(DQ_FAKE_B, &dquot->dq_flags) ||
            dquot->dq_dqb.dqb_curinodes <= dquot->dq_dqb.dqb_isoftlimit ||
            !sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type))
                return QUOTA_NL_NOWARN;
 
-       if (dquot->dq_dqb.dqb_curinodes - inodes <= dquot->dq_dqb.dqb_isoftlimit)
+       newinodes = dquot->dq_dqb.dqb_curinodes - inodes;
+       if (newinodes <= dquot->dq_dqb.dqb_isoftlimit)
                return QUOTA_NL_ISOFTBELOW;
        if (dquot->dq_dqb.dqb_curinodes >= dquot->dq_dqb.dqb_ihardlimit &&
-           dquot->dq_dqb.dqb_curinodes - inodes < dquot->dq_dqb.dqb_ihardlimit)
+           newinodes < dquot->dq_dqb.dqb_ihardlimit)
                return QUOTA_NL_IHARDBELOW;
        return QUOTA_NL_NOWARN;
 }
@@ -1466,7 +1507,8 @@ int dquot_alloc_inode(const struct inode *inode, qsize_t number)
        for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
                if (!inode->i_dquot[cnt])
                        continue;
-               if (check_idq(inode->i_dquot[cnt], number, warntype+cnt) == NO_QUOTA)
+               if (check_idq(inode->i_dquot[cnt], number, warntype+cnt)
+                   == NO_QUOTA)
                        goto warn_put_all;
        }
 
@@ -1673,19 +1715,13 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
                transfer_from[cnt] = NULL;
                transfer_to[cnt] = NULL;
                warntype_to[cnt] = QUOTA_NL_NOWARN;
-               switch (cnt) {
-                       case USRQUOTA:
-                               if (!chuid)
-                                       continue;
-                               transfer_to[cnt] = dqget(inode->i_sb, iattr->ia_uid, cnt);
-                               break;
-                       case GRPQUOTA:
-                               if (!chgid)
-                                       continue;
-                               transfer_to[cnt] = dqget(inode->i_sb, iattr->ia_gid, cnt);
-                               break;
-               }
        }
+       if (chuid)
+               transfer_to[USRQUOTA] = dqget(inode->i_sb, iattr->ia_uid,
+                                             USRQUOTA);
+       if (chgid)
+               transfer_to[GRPQUOTA] = dqget(inode->i_sb, iattr->ia_gid,
+                                             GRPQUOTA);
 
        down_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
        /* Now recheck reliably when holding dqptr_sem */
@@ -1881,8 +1917,8 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags)
                drop_dquot_ref(sb, cnt);
                invalidate_dquots(sb, cnt);
                /*
-                * Now all dquots should be invalidated, all writes done so we should be only
-                * users of the info. No locks needed.
+                * Now all dquots should be invalidated, all writes done so we
+                * should be only users of the info. No locks needed.
                 */
                if (info_dirty(&dqopt->info[cnt]))
                        sb->dq_op->write_info(sb, cnt);
@@ -1920,10 +1956,12 @@ int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags)
                        /* If quota was reenabled in the meantime, we have
                         * nothing to do */
                        if (!sb_has_quota_loaded(sb, cnt)) {
-                               mutex_lock_nested(&toputinode[cnt]->i_mutex, I_MUTEX_QUOTA);
+                               mutex_lock_nested(&toputinode[cnt]->i_mutex,
+                                                 I_MUTEX_QUOTA);
                                toputinode[cnt]->i_flags &= ~(S_IMMUTABLE |
                                  S_NOATIME | S_NOQUOTA);
-                               truncate_inode_pages(&toputinode[cnt]->i_data, 0);
+                               truncate_inode_pages(&toputinode[cnt]->i_data,
+                                                    0);
                                mutex_unlock(&toputinode[cnt]->i_mutex);
                                mark_inode_dirty(toputinode[cnt]);
                        }
@@ -2013,7 +2051,8 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
                 * possible) Also nobody should write to the file - we use
                 * special IO operations which ignore the immutable bit. */
                down_write(&dqopt->dqptr_sem);
-               oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE | S_NOQUOTA);
+               oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE |
+                                            S_NOQUOTA);
                inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE;
                up_write(&dqopt->dqptr_sem);
                sb->dq_op->drop(inode);
@@ -2032,7 +2071,8 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
        dqopt->info[type].dqi_fmt_id = format_id;
        INIT_LIST_HEAD(&dqopt->info[type].dqi_dirty_list);
        mutex_lock(&dqopt->dqio_mutex);
-       if ((error = dqopt->ops[type]->read_file_info(sb, type)) < 0) {
+       error = dqopt->ops[type]->read_file_info(sb, type);
+       if (error < 0) {
                mutex_unlock(&dqopt->dqio_mutex);
                goto out_file_init;
        }
@@ -2254,7 +2294,8 @@ static void do_get_dqblk(struct dquot *dquot, struct if_dqblk *di)
        spin_unlock(&dq_data_lock);
 }
 
-int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di)
+int vfs_get_dqblk(struct super_block *sb, int type, qid_t id,
+                 struct if_dqblk *di)
 {
        struct dquot *dquot;
 
@@ -2318,22 +2359,25 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
        }
 
        if (check_blim) {
-               if (!dm->dqb_bsoftlimit || dm->dqb_curspace < dm->dqb_bsoftlimit) {
+               if (!dm->dqb_bsoftlimit ||
+                   dm->dqb_curspace < dm->dqb_bsoftlimit) {
                        dm->dqb_btime = 0;
                        clear_bit(DQ_BLKS_B, &dquot->dq_flags);
-               }
-               else if (!(di->dqb_valid & QIF_BTIME))  /* Set grace only if user hasn't provided his own... */
+               } else if (!(di->dqb_valid & QIF_BTIME))
+                       /* Set grace only if user hasn't provided his own... */
                        dm->dqb_btime = get_seconds() + dqi->dqi_bgrace;
        }
        if (check_ilim) {
-               if (!dm->dqb_isoftlimit || dm->dqb_curinodes < dm->dqb_isoftlimit) {
+               if (!dm->dqb_isoftlimit ||
+                   dm->dqb_curinodes < dm->dqb_isoftlimit) {
                        dm->dqb_itime = 0;
                        clear_bit(DQ_INODES_B, &dquot->dq_flags);
-               }
-               else if (!(di->dqb_valid & QIF_ITIME))  /* Set grace only if user hasn't provided his own... */
+               } else if (!(di->dqb_valid & QIF_ITIME))
+                       /* Set grace only if user hasn't provided his own... */
                        dm->dqb_itime = get_seconds() + dqi->dqi_igrace;
        }
-       if (dm->dqb_bhardlimit || dm->dqb_bsoftlimit || dm->dqb_ihardlimit || dm->dqb_isoftlimit)
+       if (dm->dqb_bhardlimit || dm->dqb_bsoftlimit || dm->dqb_ihardlimit ||
+           dm->dqb_isoftlimit)
                clear_bit(DQ_FAKE_B, &dquot->dq_flags);
        else
                set_bit(DQ_FAKE_B, &dquot->dq_flags);
@@ -2343,7 +2387,8 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di)
        return 0;
 }
 
-int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di)
+int vfs_set_dqblk(struct super_block *sb, int type, qid_t id,
+                 struct if_dqblk *di)
 {
        struct dquot *dquot;
        int rc;
@@ -2400,7 +2445,8 @@ int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii)
        if (ii->dqi_valid & IIF_IGRACE)
                mi->dqi_igrace = ii->dqi_igrace;
        if (ii->dqi_valid & IIF_FLAGS)
-               mi->dqi_flags = (mi->dqi_flags & ~DQF_MASK) | (ii->dqi_flags & DQF_MASK);
+               mi->dqi_flags = (mi->dqi_flags & ~DQF_MASK) |
+                               (ii->dqi_flags & DQF_MASK);
        spin_unlock(&dq_data_lock);
        mark_info_dirty(sb, type);
        /* Force write to disk */
@@ -2559,7 +2605,8 @@ static int __init dquot_init(void)
 
 #ifdef CONFIG_QUOTA_NETLINK_INTERFACE
        if (genl_register_family(&quota_genl_family) != 0)
-               printk(KERN_ERR "VFS: Failed to create quota netlink interface.\n");
+               printk(KERN_ERR
+                      "VFS: Failed to create quota netlink interface.\n");
 #endif
 
        return 0;
index 89541bc..b7f5a46 100644 (file)
@@ -20,7 +20,8 @@
 #include <linux/types.h>
 
 /* Check validity of generic quotactl commands */
-static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t id)
+static int generic_quotactl_valid(struct super_block *sb, int type, int cmd,
+                                 qid_t id)
 {
        if (type >= MAXQUOTAS)
                return -EINVAL;
@@ -72,7 +73,8 @@ static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid
                case Q_SETINFO:
                case Q_SETQUOTA:
                case Q_GETQUOTA:
-                       /* This is just informative test so we are satisfied without a lock */
+                       /* This is just an informative test so we are satisfied
+                        * without the lock */
                        if (!sb_has_quota_active(sb, type))
                                return -ESRCH;
        }
@@ -92,7 +94,8 @@ static int generic_quotactl_valid(struct super_block *sb, int type, int cmd, qid
 }
 
 /* Check validity of XFS Quota Manager commands */
-static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t id)
+static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd,
+                             qid_t id)
 {
        if (type >= XQM_MAXQUOTAS)
                return -EINVAL;
@@ -142,7 +145,8 @@ static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t i
        return 0;
 }
 
-static int check_quotactl_valid(struct super_block *sb, int type, int cmd, qid_t id)
+static int check_quotactl_valid(struct super_block *sb, int type, int cmd,
+                               qid_t id)
 {
        int error;
 
@@ -180,7 +184,8 @@ static void quota_sync_sb(struct super_block *sb, int type)
                        continue;
                if (!sb_has_quota_active(sb, cnt))
                        continue;
-               mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex, I_MUTEX_QUOTA);
+               mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex,
+                                 I_MUTEX_QUOTA);
                truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
                mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
        }
@@ -200,14 +205,15 @@ void sync_dquots(struct super_block *sb, int type)
        spin_lock(&sb_lock);
 restart:
        list_for_each_entry(sb, &super_blocks, s_list) {
-               /* This test just improves performance so it needn't be reliable... */
+               /* This test just improves performance so it needn't be
+                * reliable... */
                for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
                        if (type != -1 && type != cnt)
                                continue;
                        if (!sb_has_quota_active(sb, cnt))
                                continue;
                        if (!info_dirty(&sb_dqopt(sb)->info[cnt]) &&
-                           list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list))
+                          list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list))
                                continue;
                        break;
                }
@@ -227,7 +233,8 @@ restart:
 }
 
 /* Copy parameters and call proper function */
-static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void __user *addr)
+static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
+                      void __user *addr)
 {
        int ret;
 
@@ -235,7 +242,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
                case Q_QUOTAON: {
                        char *pathname;
 
-                       if (IS_ERR(pathname = getname(addr)))
+                       pathname = getname(addr);
+                       if (IS_ERR(pathname))
                                return PTR_ERR(pathname);
                        ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
                        putname(pathname);
@@ -261,7 +269,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
                case Q_GETINFO: {
                        struct if_dqinfo info;
 
-                       if ((ret = sb->s_qcop->get_info(sb, type, &info)))
+                       ret = sb->s_qcop->get_info(sb, type, &info);
+                       if (ret)
                                return ret;
                        if (copy_to_user(addr, &info, sizeof(info)))
                                return -EFAULT;
@@ -277,7 +286,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
                case Q_GETQUOTA: {
                        struct if_dqblk idq;
 
-                       if ((ret = sb->s_qcop->get_dqblk(sb, type, id, &idq)))
+                       ret = sb->s_qcop->get_dqblk(sb, type, id, &idq);
+                       if (ret)
                                return ret;
                        if (copy_to_user(addr, &idq, sizeof(idq)))
                                return -EFAULT;
@@ -322,7 +332,8 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id, void
                case Q_XGETQUOTA: {
                        struct fs_disk_quota fdq;
 
-                       if ((ret = sb->s_qcop->get_xquota(sb, type, id, &fdq)))
+                       ret = sb->s_qcop->get_xquota(sb, type, id, &fdq);
+                       if (ret)
                                return ret;
                        if (copy_to_user(addr, &fdq, sizeof(fdq)))
                                return -EFAULT;
index 48e35a4..f81f4bc 100644 (file)
@@ -43,7 +43,8 @@ static char *getdqbuf(size_t size)
 {
        char *buf = kmalloc(size, GFP_NOFS);
        if (!buf)
-               printk(KERN_WARNING "VFS: Not enough memory for quota buffers.\n");
+               printk(KERN_WARNING
+                      "VFS: Not enough memory for quota buffers.\n");
        return buf;
 }
 
@@ -113,7 +114,8 @@ static int put_free_dqblk(struct qtree_mem_dqinfo *info, char *buf, uint blk)
 }
 
 /* Remove given block from the list of blocks with free entries */
-static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf, uint blk)
+static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
+                              uint blk)
 {
        char *tmpbuf = getdqbuf(info->dqi_usable_bs);
        struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
@@ -150,7 +152,9 @@ static int remove_free_dqentry(struct qtree_mem_dqinfo *info, char *buf, uint bl
        dh->dqdh_next_free = dh->dqdh_prev_free = cpu_to_le32(0);
        /* No matter whether write succeeds block is out of list */
        if (write_blk(info, blk, buf) < 0)
-               printk(KERN_ERR "VFS: Can't write block (%u) with free entries.\n", blk);
+               printk(KERN_ERR
+                      "VFS: Can't write block (%u) with free entries.\n",
+                      blk);
        return 0;
 out_buf:
        kfree(tmpbuf);
@@ -158,7 +162,8 @@ out_buf:
 }
 
 /* Insert given block to the beginning of list with free entries */
-static int insert_free_dqentry(struct qtree_mem_dqinfo *info, char *buf, uint blk)
+static int insert_free_dqentry(struct qtree_mem_dqinfo *info, char *buf,
+                              uint blk)
 {
        char *tmpbuf = getdqbuf(info->dqi_usable_bs);
        struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
@@ -230,7 +235,8 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
                        return 0;
                }
                memset(buf, 0, info->dqi_usable_bs);
-               /* This is enough as block is already zeroed and entry list is empty... */
+               /* This is enough as the block is already zeroed and the entry
+                * list is empty... */
                info->dqi_free_entry = blk;
                mark_info_dirty(dquot->dq_sb, dquot->dq_type);
        }
@@ -246,10 +252,12 @@ static uint find_free_dqentry(struct qtree_mem_dqinfo *info,
        }
        le16_add_cpu(&dh->dqdh_entries, 1);
        /* Find free structure in block */
-       for (i = 0, ddquot = buf + sizeof(struct qt_disk_dqdbheader);
-            i < qtree_dqstr_in_blk(info) && !qtree_entry_unused(info, ddquot);
-            i++, ddquot += info->dqi_entry_size)
-               ;
+       ddquot = buf + sizeof(struct qt_disk_dqdbheader);
+       for (i = 0; i < qtree_dqstr_in_blk(info); i++) {
+               if (qtree_entry_unused(info, ddquot))
+                       break;
+               ddquot += info->dqi_entry_size;
+       }
 #ifdef __QUOTA_QT_PARANOIA
        if (i == qtree_dqstr_in_blk(info)) {
                printk(KERN_ERR "VFS: find_free_dqentry(): Data block full "
@@ -340,7 +348,8 @@ static inline int dq_insert_tree(struct qtree_mem_dqinfo *info,
 }
 
 /*
- *     We don't have to be afraid of deadlocks as we never have quotas on quota files...
+ * We don't have to be afraid of deadlocks as we never have quotas on quota
+ * files...
  */
 int qtree_write_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 {
@@ -515,10 +524,12 @@ static loff_t find_block_dqentry(struct qtree_mem_dqinfo *info,
                printk(KERN_ERR "VFS: Can't read quota tree block %u.\n", blk);
                goto out_buf;
        }
-       for (i = 0, ddquot = buf + sizeof(struct qt_disk_dqdbheader);
-            i < qtree_dqstr_in_blk(info) && !info->dqi_ops->is_id(ddquot, dquot);
-            i++, ddquot += info->dqi_entry_size)
-               ;
+       ddquot = buf + sizeof(struct qt_disk_dqdbheader);
+       for (i = 0; i < qtree_dqstr_in_blk(info); i++) {
+               if (info->dqi_ops->is_id(ddquot, dquot))
+                       break;
+               ddquot += info->dqi_entry_size;
+       }
        if (i == qtree_dqstr_in_blk(info)) {
                printk(KERN_ERR "VFS: Quota for id %u referenced "
                  "but not present.\n", dquot->dq_id);
@@ -632,7 +643,8 @@ EXPORT_SYMBOL(qtree_read_dquot);
  * the only one operating on dquot (thanks to dq_lock) */
 int qtree_release_dquot(struct qtree_mem_dqinfo *info, struct dquot *dquot)
 {
-       if (test_bit(DQ_FAKE_B, &dquot->dq_flags) && !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
+       if (test_bit(DQ_FAKE_B, &dquot->dq_flags) &&
+           !(dquot->dq_dqb.dqb_curinodes | dquot->dq_dqb.dqb_curspace))
                return qtree_delete_dquot(info, dquot);
        return 0;
 }
index b4af1c6..0edcf42 100644 (file)
@@ -62,11 +62,14 @@ static int v1_read_dqblk(struct dquot *dquot)
 
        /* Set structure to 0s in case read fails/is after end of file */
        memset(&dqblk, 0, sizeof(struct v1_disk_dqblk));
-       dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, (char *)&dqblk, sizeof(struct v1_disk_dqblk), v1_dqoff(dquot->dq_id));
+       dquot->dq_sb->s_op->quota_read(dquot->dq_sb, type, (char *)&dqblk,
+                       sizeof(struct v1_disk_dqblk), v1_dqoff(dquot->dq_id));
 
        v1_disk2mem_dqblk(&dquot->dq_dqb, &dqblk);
-       if (dquot->dq_dqb.dqb_bhardlimit == 0 && dquot->dq_dqb.dqb_bsoftlimit == 0 &&
-           dquot->dq_dqb.dqb_ihardlimit == 0 && dquot->dq_dqb.dqb_isoftlimit == 0)
+       if (dquot->dq_dqb.dqb_bhardlimit == 0 &&
+           dquot->dq_dqb.dqb_bsoftlimit == 0 &&
+           dquot->dq_dqb.dqb_ihardlimit == 0 &&
+           dquot->dq_dqb.dqb_isoftlimit == 0)
                set_bit(DQ_FAKE_B, &dquot->dq_flags);
        dqstats.reads++;
 
@@ -81,13 +84,16 @@ static int v1_commit_dqblk(struct dquot *dquot)
 
        v1_mem2disk_dqblk(&dqblk, &dquot->dq_dqb);
        if (dquot->dq_id == 0) {
-               dqblk.dqb_btime = sb_dqopt(dquot->dq_sb)->info[type].dqi_bgrace;
-               dqblk.dqb_itime = sb_dqopt(dquot->dq_sb)->info[type].dqi_igrace;
+               dqblk.dqb_btime =
+                       sb_dqopt(dquot->dq_sb)->info[type].dqi_bgrace;
+               dqblk.dqb_itime =
+                       sb_dqopt(dquot->dq_sb)->info[type].dqi_igrace;
        }
        ret = 0;
        if (sb_dqopt(dquot->dq_sb)->files[type])
-               ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type, (char *)&dqblk,
-                                       sizeof(struct v1_disk_dqblk), v1_dqoff(dquot->dq_id));
+               ret = dquot->dq_sb->s_op->quota_write(dquot->dq_sb, type,
+                       (char *)&dqblk, sizeof(struct v1_disk_dqblk),
+                       v1_dqoff(dquot->dq_id));
        if (ret != sizeof(struct v1_disk_dqblk)) {
                printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
                        dquot->dq_sb->s_id);
@@ -130,15 +136,20 @@ static int v1_check_quota_file(struct super_block *sb, int type)
                return 0;
        blocks = isize >> BLOCK_SIZE_BITS;
        off = isize & (BLOCK_SIZE - 1);
-       if ((blocks % sizeof(struct v1_disk_dqblk) * BLOCK_SIZE + off) % sizeof(struct v1_disk_dqblk))
+       if ((blocks % sizeof(struct v1_disk_dqblk) * BLOCK_SIZE + off) %
+           sizeof(struct v1_disk_dqblk))
                return 0;
-       /* Doublecheck whether we didn't get file with new format - with old quotactl() this could happen */
-       size = sb->s_op->quota_read(sb, type, (char *)&dqhead, sizeof(struct v2_disk_dqheader), 0);
+       /* Doublecheck whether we didn't get file with new format - with old
+        * quotactl() this could happen */
+       size = sb->s_op->quota_read(sb, type, (char *)&dqhead,
+                                   sizeof(struct v2_disk_dqheader), 0);
        if (size != sizeof(struct v2_disk_dqheader))
                return 1;       /* Probably not new format */
        if (le32_to_cpu(dqhead.dqh_magic) != quota_magics[type])
                return 1;       /* Definitely not new format */
-       printk(KERN_INFO "VFS: %s: Refusing to turn on old quota format on given file. It probably contains newer quota format.\n", sb->s_id);
+       printk(KERN_INFO
+              "VFS: %s: Refusing to turn on old quota format on given file."
+              " It probably contains newer quota format.\n", sb->s_id);
         return 0;              /* Seems like a new format file -> refuse it */
 }
 
@@ -148,7 +159,9 @@ static int v1_read_file_info(struct super_block *sb, int type)
        struct v1_disk_dqblk dqblk;
        int ret;
 
-       if ((ret = sb->s_op->quota_read(sb, type, (char *)&dqblk, sizeof(struct v1_disk_dqblk), v1_dqoff(0))) != sizeof(struct v1_disk_dqblk)) {
+       ret = sb->s_op->quota_read(sb, type, (char *)&dqblk,
+                               sizeof(struct v1_disk_dqblk), v1_dqoff(0));
+       if (ret != sizeof(struct v1_disk_dqblk)) {
                if (ret >= 0)
                        ret = -EIO;
                goto out;
@@ -157,8 +170,10 @@ static int v1_read_file_info(struct super_block *sb, int type)
        /* limits are stored as unsigned 32-bit data */
        dqopt->info[type].dqi_maxblimit = 0xffffffff;
        dqopt->info[type].dqi_maxilimit = 0xffffffff;
-       dqopt->info[type].dqi_igrace = dqblk.dqb_itime ? dqblk.dqb_itime : MAX_IQ_TIME;
-       dqopt->info[type].dqi_bgrace = dqblk.dqb_btime ? dqblk.dqb_btime : MAX_DQ_TIME;
+       dqopt->info[type].dqi_igrace =
+                       dqblk.dqb_itime ? dqblk.dqb_itime : MAX_IQ_TIME;
+       dqopt->info[type].dqi_bgrace =
+                       dqblk.dqb_btime ? dqblk.dqb_btime : MAX_DQ_TIME;
 out:
        return ret;
 }
@@ -170,8 +185,9 @@ static int v1_write_file_info(struct super_block *sb, int type)
        int ret;
 
        dqopt->info[type].dqi_flags &= ~DQF_INFO_DIRTY;
-       if ((ret = sb->s_op->quota_read(sb, type, (char *)&dqblk,
-           sizeof(struct v1_disk_dqblk), v1_dqoff(0))) != sizeof(struct v1_disk_dqblk)) {
+       ret = sb->s_op->quota_read(sb, type, (char *)&dqblk,
+                               sizeof(struct v1_disk_dqblk), v1_dqoff(0));
+       if (ret != sizeof(struct v1_disk_dqblk)) {
                if (ret >= 0)
                        ret = -EIO;
                goto out;
index b618b56..a5475fb 100644 (file)
@@ -54,7 +54,8 @@ static int v2_check_quota_file(struct super_block *sb, int type)
        static const uint quota_magics[] = V2_INITQMAGICS;
        static const uint quota_versions[] = V2_INITQVERSIONS;
  
-       size = sb->s_op->quota_read(sb, type, (char *)&dqhead, sizeof(struct v2_disk_dqheader), 0);
+       size = sb->s_op->quota_read(sb, type, (char *)&dqhead,
+                                   sizeof(struct v2_disk_dqheader), 0);
        if (size != sizeof(struct v2_disk_dqheader)) {
                printk("quota_v2: failed read expected=%zd got=%zd\n",
                        sizeof(struct v2_disk_dqheader), size);