diff options
| author | Nick Piggin <npiggin@suse.de> | 2006-10-20 02:29:10 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-20 13:26:44 -0400 |
| commit | 82591e6ea234762eeaa8b2337fe060ed438c18dc (patch) | |
| tree | ea521388e91bdf385de546dada0925316eee02e3 /mm/filemap.c | |
| parent | b95936cb9267e4c90a0b92361609ef5fd85a0a5f (diff) | |
[PATCH] mm: more commenting on lock ordering
Clarify lockorder comments now that sys_msync dropps mmap_sem before
calling do_fsync.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 57faa8d12099..8558732e85c1 100644 --- a/mm/filemap.c +++ b/mm/filemap.c | |||
| @@ -75,8 +75,8 @@ generic_file_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, | |||
| 75 | * ->mmap_sem | 75 | * ->mmap_sem |
| 76 | * ->lock_page (access_process_vm) | 76 | * ->lock_page (access_process_vm) |
| 77 | * | 77 | * |
| 78 | * ->mmap_sem | 78 | * ->i_mutex (generic_file_buffered_write) |
| 79 | * ->i_mutex (msync) | 79 | * ->mmap_sem (fault_in_pages_readable->do_page_fault) |
| 80 | * | 80 | * |
| 81 | * ->i_mutex | 81 | * ->i_mutex |
| 82 | * ->i_alloc_sem (various) | 82 | * ->i_alloc_sem (various) |