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Diffstat (limited to 'fs/reiserfs/namei.c')
-rw-r--r--fs/reiserfs/namei.c50
1 files changed, 38 insertions, 12 deletions
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 271579128634..96e4cbbfaa18 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -324,6 +324,7 @@ static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
int retval;
+ int lock_depth;
struct inode *inode = NULL;
struct reiserfs_dir_entry de;
INITIALIZE_PATH(path_to_entry);
@@ -331,7 +332,13 @@ static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry,
if (REISERFS_MAX_NAME(dir->i_sb->s_blocksize) < dentry->d_name.len)
return ERR_PTR(-ENAMETOOLONG);
- reiserfs_write_lock(dir->i_sb);
+ /*
+ * Might be called with or without the write lock, must be careful
+ * to not recursively hold it in case we want to release the lock
+ * before rescheduling.
+ */
+ lock_depth = reiserfs_write_lock_once(dir->i_sb);
+
de.de_gen_number_bit_string = NULL;
retval =
reiserfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len,
@@ -341,7 +348,7 @@ static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry,
inode = reiserfs_iget(dir->i_sb,
(struct cpu_key *)&(de.de_dir_id));
if (!inode || IS_ERR(inode)) {
- reiserfs_write_unlock(dir->i_sb);
+ reiserfs_write_unlock_once(dir->i_sb, lock_depth);
return ERR_PTR(-EACCES);
}
@@ -350,7 +357,7 @@ static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry,
if (IS_PRIVATE(dir))
inode->i_flags |= S_PRIVATE;
}
- reiserfs_write_unlock(dir->i_sb);
+ reiserfs_write_unlock_once(dir->i_sb, lock_depth);
if (retval == IO_ERROR) {
return ERR_PTR(-EIO);
}
@@ -539,7 +546,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th,
*/
static int drop_new_inode(struct inode *inode)
{
- vfs_dq_drop(inode);
+ dquot_drop(inode);
make_bad_inode(inode);
inode->i_flags |= S_NOQUOTA;
iput(inode);
@@ -547,7 +554,7 @@ static int drop_new_inode(struct inode *inode)
}
/* utility function that does setup for reiserfs_new_inode.
-** vfs_dq_init needs lots of credits so it's better to have it
+** dquot_initialize needs lots of credits so it's better to have it
** outside of a transaction, so we had to pull some bits of
** reiserfs_new_inode out into this func.
*/
@@ -570,7 +577,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
} else {
inode->i_gid = current_fsgid();
}
- vfs_dq_init(inode);
+ dquot_initialize(inode);
return 0;
}
@@ -587,6 +594,8 @@ static int reiserfs_create(struct inode *dir, struct dentry *dentry, int mode,
struct reiserfs_transaction_handle th;
struct reiserfs_security_handle security;
+ dquot_initialize(dir);
+
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM;
}
@@ -659,6 +668,8 @@ static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, int mode,
if (!new_valid_dev(rdev))
return -EINVAL;
+ dquot_initialize(dir);
+
if (!(inode = new_inode(dir->i_sb))) {
return -ENOMEM;
}
@@ -725,12 +736,15 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
struct inode *inode;
struct reiserfs_transaction_handle th;
struct reiserfs_security_handle security;
+ int lock_depth;
/* We need blocks for transaction + (user+group)*(quotas for new inode + update of quota for directory owner) */
int jbegin_count =
JOURNAL_PER_BALANCE_CNT * 3 +
2 * (REISERFS_QUOTA_INIT_BLOCKS(dir->i_sb) +
REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb));
+ dquot_initialize(dir);
+
#ifdef DISPLACE_NEW_PACKING_LOCALITIES
/* set flag that new packing locality created and new blocks for the content * of that directory are not displaced yet */
REISERFS_I(dir)->new_packing_locality = 1;
@@ -748,7 +762,7 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
return retval;
}
jbegin_count += retval;
- reiserfs_write_lock(dir->i_sb);
+ lock_depth = reiserfs_write_lock_once(dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count);
if (retval) {
@@ -798,8 +812,8 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
d_instantiate(dentry, inode);
unlock_new_inode(inode);
retval = journal_end(&th, dir->i_sb, jbegin_count);
- out_failed:
- reiserfs_write_unlock(dir->i_sb);
+out_failed:
+ reiserfs_write_unlock_once(dir->i_sb, lock_depth);
return retval;
}
@@ -834,6 +848,8 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry)
JOURNAL_PER_BALANCE_CNT * 2 + 2 +
4 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);
+ dquot_initialize(dir);
+
reiserfs_write_lock(dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count);
if (retval)
@@ -913,6 +929,9 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
struct reiserfs_transaction_handle th;
int jbegin_count;
unsigned long savelink;
+ int depth;
+
+ dquot_initialize(dir);
inode = dentry->d_inode;
@@ -924,7 +943,7 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
JOURNAL_PER_BALANCE_CNT * 2 + 2 +
4 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);
- reiserfs_write_lock(dir->i_sb);
+ depth = reiserfs_write_lock_once(dir->i_sb);
retval = journal_begin(&th, dir->i_sb, jbegin_count);
if (retval)
goto out_unlink;
@@ -985,7 +1004,7 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
retval = journal_end(&th, dir->i_sb, jbegin_count);
reiserfs_check_path(&path);
- reiserfs_write_unlock(dir->i_sb);
+ reiserfs_write_unlock_once(dir->i_sb, depth);
return retval;
end_unlink:
@@ -995,7 +1014,7 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
if (err)
retval = err;
out_unlink:
- reiserfs_write_unlock(dir->i_sb);
+ reiserfs_write_unlock_once(dir->i_sb, depth);
return retval;
}
@@ -1015,6 +1034,8 @@ static int reiserfs_symlink(struct inode *parent_dir,
2 * (REISERFS_QUOTA_INIT_BLOCKS(parent_dir->i_sb) +
REISERFS_QUOTA_TRANS_BLOCKS(parent_dir->i_sb));
+ dquot_initialize(parent_dir);
+
if (!(inode = new_inode(parent_dir->i_sb))) {
return -ENOMEM;
}
@@ -1102,6 +1123,8 @@ static int reiserfs_link(struct dentry *old_dentry, struct inode *dir,
JOURNAL_PER_BALANCE_CNT * 3 +
2 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);
+ dquot_initialize(dir);
+
reiserfs_write_lock(dir->i_sb);
if (inode->i_nlink >= REISERFS_LINK_MAX) {
//FIXME: sd_nlink is 32 bit for new files
@@ -1226,6 +1249,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
JOURNAL_PER_BALANCE_CNT * 3 + 5 +
4 * REISERFS_QUOTA_TRANS_BLOCKS(old_dir->i_sb);
+ dquot_initialize(old_dir);
+ dquot_initialize(new_dir);
+
old_inode = old_dentry->d_inode;
new_dentry_inode = new_dentry->d_inode;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 22:22:02 +0300