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[CIFS] [CIFS] Do not take rename sem on most path based calls (during

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building of full path) to avoid hang rename/readdir hang

Reported by Alan Tyson

Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
2006-04-21 18:17:42 +00:00
parent f4ffaa452e
commit 0bd4fa977f
7 changed files with 0 additions and 30 deletions
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6
fs/cifs/inode.c
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@ -722,9 +722,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
@ -807,9 +805,7 @@ int cifs_rmdir(struct inode *inode, struct dentry *direntry)
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
mutex_lock(&inode->i_sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
@ -1141,9 +1137,7 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
rc = 0;
}
mutex_lock(&direntry->d_sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&direntry->d_sb->s_vfs_rename_mutex);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;