[INET]: Remove per bucket rwlock in tcp/dccp ehash table.

[linux-2.6] / Documentation / filesystems / Locking

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index f0f825808ca463023d815b3d38679851b55a6ff6..37c10cba717725f599ec999eb0a0a4ff6b1fc483 100644 (file)
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -178,15 +178,18 @@ prototypes:
 locking rules:
        All except set_page_dirty may block
 
-                       BKL     PageLocked(page)
+                       BKL     PageLocked(page)        i_sem
 writepage:             no      yes, unlocks (see below)
 readpage:              no      yes, unlocks
 sync_page:             no      maybe
 writepages:            no
 set_page_dirty         no      no
 readpages:             no
-prepare_write:         no      yes
-commit_write:          no      yes
+prepare_write:         no      yes                     yes
+commit_write:          no      yes                     yes
+write_begin:           no      locks the page          yes
+write_end:             no      yes, unlocks            yes
+perform_write:         no      n/a                     yes
 bmap:                  yes
 invalidatepage:                no      yes
 releasepage:           no      yes
@@ -221,7 +224,7 @@ against the page the filesystem should redirty the page with
 redirty_page_for_writepage(), then unlock the page and return zero.
 This may also be done to avoid internal deadlocks, but rarely.
 
-If the filesytem is called for sync then it must wait on any
+If the filesystem is called for sync then it must wait on any
 in-progress I/O and then start new I/O.
 
 The filesystem should unlock the page synchronously, before returning to the