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Diffstat (limited to 'fs/reiserfs/xattr.c')
-rw-r--r--fs/reiserfs/xattr.c46
1 files changed, 17 insertions, 29 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index c69cdd749f09..8a9e2dcfe004 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -81,8 +81,7 @@ static int xattr_unlink(struct inode *dir, struct dentry *dentry)
int error;
BUG_ON(!mutex_is_locked(&dir->i_mutex));
- reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,
- I_MUTEX_CHILD, dir->i_sb);
+ mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD);
error = dir->i_op->unlink(dir, dentry);
mutex_unlock(&dentry->d_inode->i_mutex);
@@ -96,8 +95,7 @@ static int xattr_rmdir(struct inode *dir, struct dentry *dentry)
int error;
BUG_ON(!mutex_is_locked(&dir->i_mutex));
- reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,
- I_MUTEX_CHILD, dir->i_sb);
+ mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_CHILD);
error = dir->i_op->rmdir(dir, dentry);
if (!error)
dentry->d_inode->i_flags |= S_DEAD;
@@ -232,22 +230,17 @@ static int reiserfs_for_each_xattr(struct inode *inode,
if (IS_PRIVATE(inode) || get_inode_sd_version(inode) == STAT_DATA_V1)
return 0;
- reiserfs_write_unlock(inode->i_sb);
dir = open_xa_dir(inode, XATTR_REPLACE);
if (IS_ERR(dir)) {
err = PTR_ERR(dir);
- reiserfs_write_lock(inode->i_sb);
goto out;
} else if (!dir->d_inode) {
err = 0;
- reiserfs_write_lock(inode->i_sb);
goto out_dir;
}
mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_XATTR);
- reiserfs_write_lock(inode->i_sb);
-
buf.xadir = dir;
while (1) {
err = reiserfs_readdir_inode(dir->d_inode, &buf.ctx);
@@ -281,14 +274,17 @@ static int reiserfs_for_each_xattr(struct inode *inode,
int blocks = JOURNAL_PER_BALANCE_CNT * 2 + 2 +
4 * REISERFS_QUOTA_TRANS_BLOCKS(inode->i_sb);
struct reiserfs_transaction_handle th;
+ reiserfs_write_lock(inode->i_sb);
err = journal_begin(&th, inode->i_sb, blocks);
+ reiserfs_write_unlock(inode->i_sb);
if (!err) {
int jerror;
- reiserfs_mutex_lock_nested_safe(
- &dir->d_parent->d_inode->i_mutex,
- I_MUTEX_XATTR, inode->i_sb);
+ mutex_lock_nested(&dir->d_parent->d_inode->i_mutex,
+ I_MUTEX_XATTR);
err = action(dir, data);
+ reiserfs_write_lock(inode->i_sb);
jerror = journal_end(&th, inode->i_sb, blocks);
+ reiserfs_write_unlock(inode->i_sb);
mutex_unlock(&dir->d_parent->d_inode->i_mutex);
err = jerror ?: err;
}
@@ -455,9 +451,7 @@ static int lookup_and_delete_xattr(struct inode *inode, const char *name)
}
if (dentry->d_inode) {
- reiserfs_write_lock(inode->i_sb);
err = xattr_unlink(xadir->d_inode, dentry);
- reiserfs_write_unlock(inode->i_sb);
update_ctime(inode);
}
@@ -491,24 +485,17 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
if (get_inode_sd_version(inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
- reiserfs_write_unlock(inode->i_sb);
-
if (!buffer) {
err = lookup_and_delete_xattr(inode, name);
- reiserfs_write_lock(inode->i_sb);
return err;
}
dentry = xattr_lookup(inode, name, flags);
- if (IS_ERR(dentry)) {
- reiserfs_write_lock(inode->i_sb);
+ if (IS_ERR(dentry))
return PTR_ERR(dentry);
- }
down_write(&REISERFS_I(inode)->i_xattr_sem);
- reiserfs_write_lock(inode->i_sb);
-
xahash = xattr_hash(buffer, buffer_size);
while (buffer_pos < buffer_size || buffer_pos == 0) {
size_t chunk;
@@ -538,6 +525,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
rxh->h_hash = cpu_to_le32(xahash);
}
+ reiserfs_write_lock(inode->i_sb);
err = __reiserfs_write_begin(page, page_offset, chunk + skip);
if (!err) {
if (buffer)
@@ -546,6 +534,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
page_offset + chunk +
skip);
}
+ reiserfs_write_unlock(inode->i_sb);
unlock_page(page);
reiserfs_put_page(page);
buffer_pos += chunk;
@@ -563,10 +552,8 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th,
.ia_valid = ATTR_SIZE | ATTR_CTIME,
};
- reiserfs_write_unlock(inode->i_sb);
mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR);
inode_dio_wait(dentry->d_inode);
- reiserfs_write_lock(inode->i_sb);
err = reiserfs_setattr(dentry, &newattrs);
mutex_unlock(&dentry->d_inode->i_mutex);
@@ -592,18 +579,19 @@ int reiserfs_xattr_set(struct inode *inode, const char *name,
reiserfs_write_lock(inode->i_sb);
error = journal_begin(&th, inode->i_sb, jbegin_count);
+ reiserfs_write_unlock(inode->i_sb);
if (error) {
- reiserfs_write_unlock(inode->i_sb);
return error;
}
error = reiserfs_xattr_set_handle(&th, inode, name,
buffer, buffer_size, flags);
+ reiserfs_write_lock(inode->i_sb);
error2 = journal_end(&th, inode->i_sb, jbegin_count);
+ reiserfs_write_unlock(inode->i_sb);
if (error == 0)
error = error2;
- reiserfs_write_unlock(inode->i_sb);
return error;
}
@@ -968,7 +956,7 @@ int reiserfs_lookup_privroot(struct super_block *s)
int err = 0;
/* If we don't have the privroot located yet - go find it */
- reiserfs_mutex_lock_safe(&s->s_root->d_inode->i_mutex, s);
+ mutex_lock(&s->s_root->d_inode->i_mutex);
dentry = lookup_one_len(PRIVROOT_NAME, s->s_root,
strlen(PRIVROOT_NAME));
if (!IS_ERR(dentry)) {
@@ -996,14 +984,14 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags)
goto error;
if (!privroot->d_inode && !(mount_flags & MS_RDONLY)) {
- reiserfs_mutex_lock_safe(&s->s_root->d_inode->i_mutex, s);
+ mutex_lock(&s->s_root->d_inode->i_mutex);
err = create_privroot(REISERFS_SB(s)->priv_root);
mutex_unlock(&s->s_root->d_inode->i_mutex);
}
if (privroot->d_inode) {
s->s_xattr = reiserfs_xattr_handlers;
- reiserfs_mutex_lock_safe(&privroot->d_inode->i_mutex, s);
+ mutex_lock(&privroot->d_inode->i_mutex);
if (!REISERFS_SB(s)->xattr_root) {
struct dentry *dentry;
dentry = lookup_one_len(XAROOT_NAME, privroot,
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 02:30:10 +0000