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authorJes Sorensen <jes@sgi.com>2006-01-10 02:59:24 +0300
committerIngo Molnar <mingo@hera.kernel.org>2006-01-10 02:59:24 +0300
commit1b1dcc1b57a49136f118a0f16367256ff9994a69 (patch)
treeb0b36d4f41d28c9d6514fb309d33c1a084d6309b /fs/ntfs/dir.c
parent794ee1baee1c26be40410233e6c20bceb2b03c08 (diff)
downloadlinux-1b1dcc1b57a49136f118a0f16367256ff9994a69.tar.xz
[PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem
This patch converts the inode semaphore to a mutex. I have tested it on XFS and compiled as much as one can consider on an ia64. Anyway your luck with it might be different. Modified-by: Ingo Molnar <mingo@elte.hu> (finished the conversion) Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/ntfs/dir.c')
-rw-r--r--fs/ntfs/dir.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 795c3d1930f5..b0690d4c8906 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -69,7 +69,7 @@ ntfschar I30[5] = { const_cpu_to_le16('$'), const_cpu_to_le16('I'),
* work but we don't care for how quickly one can access them. This also fixes
* the dcache aliasing issues.
*
- * Locking: - Caller must hold i_sem on the directory.
+ * Locking: - Caller must hold i_mutex on the directory.
* - Each page cache page in the index allocation mapping must be
* locked whilst being accessed otherwise we may find a corrupt
* page due to it being under ->writepage at the moment which
@@ -1085,11 +1085,11 @@ static inline int ntfs_filldir(ntfs_volume *vol, loff_t fpos,
* While this will return the names in random order this doesn't matter for
* ->readdir but OTOH results in a faster ->readdir.
*
- * VFS calls ->readdir without BKL but with i_sem held. This protects the VFS
+ * VFS calls ->readdir without BKL but with i_mutex held. This protects the VFS
* parts (e.g. ->f_pos and ->i_size, and it also protects against directory
* modifications).
*
- * Locking: - Caller must hold i_sem on the directory.
+ * Locking: - Caller must hold i_mutex on the directory.
* - Each page cache page in the index allocation mapping must be
* locked whilst being accessed otherwise we may find a corrupt
* page due to it being under ->writepage at the moment which
@@ -1520,7 +1520,7 @@ static int ntfs_dir_open(struct inode *vi, struct file *filp)
* Note: In the past @filp could be NULL so we ignore it as we don't need it
* anyway.
*
- * Locking: Caller must hold i_sem on the inode.
+ * Locking: Caller must hold i_mutex on the inode.
*
* TODO: We should probably also write all attribute/index inodes associated
* with this inode but since we have no simple way of getting to them we ignore