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authorDave Kleikamp <dave.kleikamp@oracle.com>2015-07-15 13:53:19 -0500
committerJan Kara <jack@suse.com>2015-07-23 20:59:39 +0200
commitacc84b05b1f463952a638689335ca47e70d5ea30 (patch)
tree477ad20902b4f9d3595950002d429808c1387c30
parent2e6c97ea4ce6a29941da46d03183c2c0e330fb2f (diff)
downloadlinux-acc84b05b1f463952a638689335ca47e70d5ea30.tar.bz2
jfs: Handle error from dquot_initialize()
dquot_initialize() can now return error. Handle it where possible Slightly modified by Dave Kleikamp due to needed jfs_rename() error path fix. Signed-off-by: Jan Kara <jack@suse.com> Reviewed-by: Dave Kleikamp <dave.kleikamp@oracle.com>
-rw-r--r--fs/jfs/file.c7
-rw-r--r--fs/jfs/jfs_inode.c4
-rw-r--r--fs/jfs/namei.c54
3 files changed, 48 insertions, 17 deletions
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index b9dc23cd04f2..0e026a7bdcd4 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -107,8 +107,11 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
if (rc)
return rc;
- if (is_quota_modification(inode, iattr))
- dquot_initialize(inode);
+ if (is_quota_modification(inode, iattr)) {
+ rc = dquot_initialize(inode);
+ if (rc)
+ return rc;
+ }
if ((iattr->ia_valid & ATTR_UID && !uid_eq(iattr->ia_uid, inode->i_uid)) ||
(iattr->ia_valid & ATTR_GID && !gid_eq(iattr->ia_gid, inode->i_gid))) {
rc = dquot_transfer(inode, iattr);
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index 6b0f816201a2..cf7936fe2e68 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -109,7 +109,9 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
/*
* Allocate inode to quota.
*/
- dquot_initialize(inode);
+ rc = dquot_initialize(inode);
+ if (rc)
+ goto fail_drop;
rc = dquot_alloc_inode(inode);
if (rc)
goto fail_drop;
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index a5ac97b9a933..35976bdccafc 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -86,7 +86,9 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode,
jfs_info("jfs_create: dip:0x%p name:%pd", dip, dentry);
- dquot_initialize(dip);
+ rc = dquot_initialize(dip);
+ if (rc)
+ goto out1;
/*
* search parent directory for entry/freespace
@@ -218,7 +220,9 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode)
jfs_info("jfs_mkdir: dip:0x%p name:%pd", dip, dentry);
- dquot_initialize(dip);
+ rc = dquot_initialize(dip);
+ if (rc)
+ goto out1;
/*
* search parent directory for entry/freespace
@@ -355,8 +359,12 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
jfs_info("jfs_rmdir: dip:0x%p name:%pd", dip, dentry);
/* Init inode for quota operations. */
- dquot_initialize(dip);
- dquot_initialize(ip);
+ rc = dquot_initialize(dip);
+ if (rc)
+ goto out;
+ rc = dquot_initialize(ip);
+ if (rc)
+ goto out;
/* directory must be empty to be removed */
if (!dtEmpty(ip)) {
@@ -483,8 +491,12 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
jfs_info("jfs_unlink: dip:0x%p name:%pd", dip, dentry);
/* Init inode for quota operations. */
- dquot_initialize(dip);
- dquot_initialize(ip);
+ rc = dquot_initialize(dip);
+ if (rc)
+ goto out;
+ rc = dquot_initialize(ip);
+ if (rc)
+ goto out;
if ((rc = get_UCSname(&dname, dentry)))
goto out;
@@ -799,7 +811,9 @@ static int jfs_link(struct dentry *old_dentry,
jfs_info("jfs_link: %pd %pd", old_dentry, dentry);
- dquot_initialize(dir);
+ rc = dquot_initialize(dir);
+ if (rc)
+ goto out;
tid = txBegin(ip->i_sb, 0);
@@ -810,7 +824,7 @@ static int jfs_link(struct dentry *old_dentry,
* scan parent directory for entry/freespace
*/
if ((rc = get_UCSname(&dname, dentry)))
- goto out;
+ goto out_tx;
if ((rc = dtSearch(dir, &dname, &ino, &btstack, JFS_CREATE)))
goto free_dname;
@@ -842,12 +856,13 @@ static int jfs_link(struct dentry *old_dentry,
free_dname:
free_UCSname(&dname);
- out:
+ out_tx:
txEnd(tid);
mutex_unlock(&JFS_IP(ip)->commit_mutex);
mutex_unlock(&JFS_IP(dir)->commit_mutex);
+ out:
jfs_info("jfs_link: rc:%d", rc);
return rc;
}
@@ -891,7 +906,9 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
jfs_info("jfs_symlink: dip:0x%p name:%s", dip, name);
- dquot_initialize(dip);
+ rc = dquot_initialize(dip);
+ if (rc)
+ goto out1;
ssize = strlen(name) + 1;
@@ -1082,8 +1099,12 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry);
- dquot_initialize(old_dir);
- dquot_initialize(new_dir);
+ rc = dquot_initialize(old_dir);
+ if (rc)
+ goto out1;
+ rc = dquot_initialize(new_dir);
+ if (rc)
+ goto out1;
old_ip = d_inode(old_dentry);
new_ip = d_inode(new_dentry);
@@ -1130,7 +1151,9 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
} else if (new_ip) {
IWRITE_LOCK(new_ip, RDWRLOCK_NORMAL);
/* Init inode for quota operations. */
- dquot_initialize(new_ip);
+ rc = dquot_initialize(new_ip);
+ if (rc)
+ goto out_unlock;
}
/*
@@ -1318,6 +1341,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
clear_cflag(COMMIT_Stale, old_dir);
}
+ out_unlock:
if (new_ip && !S_ISDIR(new_ip->i_mode))
IWRITE_UNLOCK(new_ip);
out3:
@@ -1353,7 +1377,9 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
jfs_info("jfs_mknod: %pd", dentry);
- dquot_initialize(dir);
+ rc = dquot_initialize(dir);
+ if (rc)
+ goto out;
if ((rc = get_UCSname(&dname, dentry)))
goto out;