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author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:49:28 +1100 |
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committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:20 +1100 |
commit | b1e6a015a580ad145689ad1d6b4aa0e03e6c868b (patch) | |
tree | 57a10ef164e4d2f798d9b832dbeaf973aca2ab83 /Documentation/filesystems/porting | |
parent | 621e155a3591962420eacdd39f6f0aa29ceb221e (diff) | |
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fs: change d_hash for rcu-walk
Change d_hash so it may be called from lock-free RCU lookups. See similar
patch for d_compare for details.
For in-tree filesystems, this is just a mechanical change.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'Documentation/filesystems/porting')
-rw-r--r-- | Documentation/filesystems/porting | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index d44511e..9fd3194 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -333,3 +333,10 @@ unreferenced dentries, and is now only called when the dentry refcount goes to .d_compare() calling convention and locking rules are significantly changed. Read updated documentation in Documentation/filesystems/vfs.txt (and look at examples of other filesystems) for guidance. + +--- +[mandatory] + + .d_hash() calling convention and locking rules are significantly +changed. Read updated documentation in Documentation/filesystems/vfs.txt (and +look at examples of other filesystems) for guidance. |