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| author | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:49:28 +1100 |
|---|---|---|
| committer | Nick Piggin <npiggin@kernel.dk> | 2011-01-07 17:50:20 +1100 |
| commit | b1e6a015a580ad145689ad1d6b4aa0e03e6c868b (patch) | |
| tree | 57a10ef164e4d2f798d9b832dbeaf973aca2ab83 /Documentation/filesystems/Locking | |
| parent | 621e155a3591962420eacdd39f6f0aa29ceb221e (diff) | |
| download | linux-3.10-b1e6a015a580ad145689ad1d6b4aa0e03e6c868b.tar.gz linux-3.10-b1e6a015a580ad145689ad1d6b4aa0e03e6c868b.tar.bz2 linux-3.10-b1e6a015a580ad145689ad1d6b4aa0e03e6c868b.zip | |
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/Locking')
| -rw-r--r-- | Documentation/filesystems/Locking | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 9a76f8d8bf9..a15ee207b44 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -10,7 +10,8 @@ be able to use diff(1). --------------------------- dentry_operations -------------------------- prototypes: int (*d_revalidate)(struct dentry *, int); - int (*d_hash) (struct dentry *, struct qstr *); + int (*d_hash)(const struct dentry *, const struct inode *, + struct qstr *); int (*d_compare)(const struct dentry *, const struct inode *, const struct dentry *, const struct inode *, unsigned int, const char *, const struct qstr *); @@ -22,7 +23,7 @@ prototypes: locking rules: dcache_lock rename_lock ->d_lock may block d_revalidate: no no no yes -d_hash no no no yes +d_hash no no no no d_compare: no yes no no d_delete: yes no yes no d_release: no no no yes |