diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-12 20:02:09 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-12 20:08:40 -0400 |
| commit | 323ee8fc544d407eb053471b9607f95f987f5f12 (patch) | |
| tree | 7185ea5c3d7b5d08492bd93bb714bc5338b5355c /fs/hfsplus/hfsplus_fs.h | |
| parent | 552a9d489f1412beb5914f0c64a54d921a9c6624 (diff) | |
| download | linux-323ee8fc544d407eb053471b9607f95f987f5f12.tar.bz2 | |
hfsplus: switch to ->iterate_shared()
We need to protect the list of hfsplus_readdir_data against parallel
insertions (in readdir) and removals (in release). Add a spinlock
for that. Note that it has nothing to do with protection of
hfsplus_readdir_data->key - we have an exclusion between hfsplus_readdir()
and hfsplus_delete_cat() on directory lock and between several
hfsplus_readdir() for the same struct file on ->f_pos_lock. The spinlock
is strictly for list changes.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hfsplus/hfsplus_fs.h')
| -rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index f91a1faf819e..fdc3446d934a 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -244,6 +244,7 @@ struct hfsplus_inode_info { u8 userflags; /* BSD user file flags */ u32 subfolders; /* Subfolder count (HFSX only) */ struct list_head open_dir_list; + spinlock_t open_dir_lock; loff_t phys_size; struct inode vfs_inode; |