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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 /fs/ncpfs | |
| parent | 621e155a3591962420eacdd39f6f0aa29ceb221e (diff) | |
| download | linux-stable-b1e6a015a580ad145689ad1d6b4aa0e03e6c868b.tar.gz linux-stable-b1e6a015a580ad145689ad1d6b4aa0e03e6c868b.tar.bz2 linux-stable-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 'fs/ncpfs')
| -rw-r--r-- | fs/ncpfs/dir.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index 3bcc68aed416..bbbf7922f422 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -74,7 +74,8 @@ const struct inode_operations ncp_dir_inode_operations = * Dentry operations routines */ static int ncp_lookup_validate(struct dentry *, struct nameidata *); -static int ncp_hash_dentry(struct dentry *, struct qstr *); +static int ncp_hash_dentry(const struct dentry *, const struct inode *, + struct qstr *); static int ncp_compare_dentry(const struct dentry *, const struct inode *, const struct dentry *, const struct inode *, unsigned int, const char *, const struct qstr *); @@ -129,9 +130,10 @@ static inline int ncp_case_sensitive(const struct inode *i) * is case-sensitive. */ static int -ncp_hash_dentry(struct dentry *dentry, struct qstr *this) +ncp_hash_dentry(const struct dentry *dentry, const struct inode *inode, + struct qstr *this) { - if (!ncp_case_sensitive(dentry->d_inode)) { + if (!ncp_case_sensitive(inode)) { struct super_block *sb = dentry->d_sb; struct nls_table *t; unsigned long hash; @@ -597,7 +599,7 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir, qname.hash = full_name_hash(qname.name, qname.len); if (dentry->d_op && dentry->d_op->d_hash) - if (dentry->d_op->d_hash(dentry, &qname) != 0) + if (dentry->d_op->d_hash(dentry, dentry->d_inode, &qname) != 0) goto end_advance; newdent = d_lookup(dentry, &qname); |