diff options
author | Nick Piggin <npiggin@kernel.dk> | 2011-01-14 02:26:53 +0000 |
---|---|---|
committer | Nick Piggin <npiggin@hera.kernel.org> | 2011-01-14 02:26:53 +0000 |
commit | a82416da83722944d78d933301e32e7c5ad70edd (patch) | |
tree | c2990d561fc5ed703bf46b34122f7a6b81b45dd5 /Documentation/filesystems/porting | |
parent | b3e19d924b6eaf2ca7d22cba99a517c5171007b6 (diff) |
fs: small rcu-walk documentation fixes
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'Documentation/filesystems/porting')
-rw-r--r-- | Documentation/filesystems/porting | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 07a32b42cf9..7fcac6393cd 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -365,8 +365,8 @@ must be done in the RCU callback. [recommended] vfs now tries to do path walking in "rcu-walk mode", which avoids atomic operations and scalability hazards on dentries and inodes (see -Documentation/filesystems/path-walk.txt). d_hash and d_compare changes (above) -are examples of the changes required to support this. For more complex +Documentation/filesystems/path-lookup.txt). d_hash and d_compare changes +(above) are examples of the changes required to support this. For more complex filesystem callbacks, the vfs drops out of rcu-walk mode before the fs call, so no changes are required to the filesystem. However, this is costly and loses the benefits of rcu-walk mode. We will begin to add filesystem callbacks that @@ -383,5 +383,5 @@ Documentation/filesystems/vfs.txt for more details. permission and check_acl are inode permission checks that are called on many or all directory inodes on the way down a path walk (to check for -exec permission). These must now be rcu-walk aware (flags & IPERM_RCU). See -Documentation/filesystems/vfs.txt for more details. +exec permission). These must now be rcu-walk aware (flags & IPERM_FLAG_RCU). +See Documentation/filesystems/vfs.txt for more details. |