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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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8
fs/cifs/xattr.c
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@ -62,9 +62,7 @@ int cifs_removexattr(struct dentry * direntry, const char * ea_name)
cifs_sb = CIFS_SB(sb);
pTcon = cifs_sb->tcon;
mutex_lock(&sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&sb->s_vfs_rename_mutex);
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
@ -116,9 +114,7 @@ int cifs_setxattr(struct dentry * direntry, const char * ea_name,
cifs_sb = CIFS_SB(sb);
pTcon = cifs_sb->tcon;
mutex_lock(&sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&sb->s_vfs_rename_mutex);
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
@ -223,9 +219,7 @@ ssize_t cifs_getxattr(struct dentry * direntry, const char * ea_name,
cifs_sb = CIFS_SB(sb);
pTcon = cifs_sb->tcon;
mutex_lock(&sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&sb->s_vfs_rename_mutex);
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
@ -341,9 +335,7 @@ ssize_t cifs_listxattr(struct dentry * direntry, char * data, size_t buf_size)
cifs_sb = CIFS_SB(sb);
pTcon = cifs_sb->tcon;
mutex_lock(&sb->s_vfs_rename_mutex);
full_path = build_path_from_dentry(direntry);
mutex_unlock(&sb->s_vfs_rename_mutex);
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;