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| author | Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> | 2010-05-07 16:52:26 -0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-05-10 23:42:27 +0200 |
| commit | ca0dbd86b12be9af7cda230890eb741d5cb8b624 (patch) | |
| tree | 007bb05cf7032e81e97da4e704641aa15103e2f8 /Documentation/filesystems | |
| parent | ce60d4d5d50a5454768faa522da98aa5f8070bd0 (diff) | |
| download | blackbird-op-linux-ca0dbd86b12be9af7cda230890eb741d5cb8b624.tar.gz blackbird-op-linux-ca0dbd86b12be9af7cda230890eb741d5cb8b624.zip | |
doc: inode uses a mutex instead of a semaphore.
Replace the introduced i_sem by an i_mutex in the filesystem locking
documentation. This was introduced [1] after all occurrences were
already replaced in the same text [2]. However, the term "inode
semaphore" has not been replaced then, and it's replaced now.
[1] afddba49d18f346e5cc2938b6ed7c512db18ca68
[2] a7bc02f4f47fd0e7860c6589f0ad000d1476f7a3
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/Locking | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 06bbbed71206..af1608070cd5 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -178,7 +178,7 @@ prototypes: locking rules: All except set_page_dirty may block - BKL PageLocked(page) i_sem + BKL PageLocked(page) i_mutex writepage: no yes, unlocks (see below) readpage: no yes, unlocks sync_page: no maybe @@ -429,7 +429,7 @@ check_flags: no implementations. If your fs is not using generic_file_llseek, you need to acquire and release the appropriate locks in your ->llseek(). For many filesystems, it is probably safe to acquire the inode -semaphore. Note some filesystems (i.e. remote ones) provide no +mutex. Note some filesystems (i.e. remote ones) provide no protection for i_size so you will need to use the BKL. Note: ext2_release() was *the* source of contention on fs-intensive |
