diff options
Diffstat (limited to 'fs/coda/dir.c')
| -rw-r--r-- | fs/coda/dir.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 5d8b3553960..2b8dae4d121 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -18,14 +18,14 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/spinlock.h> +#include <linux/namei.h> #include <asm/uaccess.h> #include <linux/coda.h> -#include <linux/coda_linux.h> #include <linux/coda_psdev.h> -#include <linux/coda_fs_i.h> -#include <linux/coda_cache.h> +#include "coda_linux.h" +#include "coda_cache.h" #include "coda_int.h" @@ -47,7 +47,7 @@ static int coda_readdir(struct file *file, void *buf, filldir_t filldir); /* dentry ops */ static int coda_dentry_revalidate(struct dentry *de, struct nameidata *nd); -static int coda_dentry_delete(struct dentry *); +static int coda_dentry_delete(const struct dentry *); /* support routines */ static int coda_venus_readdir(struct file *coda_file, void *buf, @@ -60,7 +60,7 @@ static int coda_return_EIO(void) } #define CODA_EIO_ERROR ((void *) (coda_return_EIO)) -static const struct dentry_operations coda_dentry_operations = +const struct dentry_operations coda_dentry_operations = { .d_revalidate = coda_dentry_revalidate, .d_delete = coda_dentry_delete, @@ -125,8 +125,6 @@ static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struc return ERR_PTR(error); exit: - entry->d_op = &coda_dentry_operations; - if (inode && (type & CODA_NOCACHE)) coda_flag_inode(inode, C_VATTR | C_PURGE); @@ -134,10 +132,13 @@ exit: } -int coda_permission(struct inode *inode, int mask) +int coda_permission(struct inode *inode, int mask, unsigned int flags) { int error; + if (flags & IPERM_FLAG_RCU) + return -ECHILD; + mask &= MAY_READ | MAY_WRITE | MAY_EXEC; if (!mask) @@ -541,9 +542,13 @@ out: /* called when a cache lookup succeeds */ static int coda_dentry_revalidate(struct dentry *de, struct nameidata *nd) { - struct inode *inode = de->d_inode; + struct inode *inode; struct coda_inode_info *cii; + if (nd->flags & LOOKUP_RCU) + return -ECHILD; + + inode = de->d_inode; if (!inode || coda_isroot(inode)) goto out; if (is_bad_inode(inode)) @@ -559,7 +564,7 @@ static int coda_dentry_revalidate(struct dentry *de, struct nameidata *nd) if (cii->c_flags & C_FLUSH) coda_flag_inode_children(inode, C_FLUSH); - if (atomic_read(&de->d_count) > 1) + if (de->d_count > 1) /* pretend it's valid, but don't change the flags */ goto out; @@ -577,7 +582,7 @@ out: * This is the callback from dput() when d_count is going to 0. * We use this to unhash dentries with bad inodes. */ -static int coda_dentry_delete(struct dentry * dentry) +static int coda_dentry_delete(const struct dentry * dentry) { int flags; |