diff options
Diffstat (limited to 'drivers/staging/smbfs/dir.c')
-rw-r--r-- | drivers/staging/smbfs/dir.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/staging/smbfs/dir.c b/drivers/staging/smbfs/dir.c index f088ea2f6ac9..87a3a9bd5842 100644 --- a/drivers/staging/smbfs/dir.c +++ b/drivers/staging/smbfs/dir.c @@ -14,6 +14,7 @@ #include <linux/ctype.h> #include <linux/net.h> #include <linux/sched.h> +#include <linux/namei.h> #include "smb_fs.h" #include "smb_mount.h" @@ -274,9 +275,13 @@ smb_dir_open(struct inode *dir, struct file *file) * Dentry operations routines */ static int smb_lookup_validate(struct dentry *, struct nameidata *); -static int smb_hash_dentry(struct dentry *, struct qstr *); -static int smb_compare_dentry(struct dentry *, struct qstr *, struct qstr *); -static int smb_delete_dentry(struct dentry *); +static int smb_hash_dentry(const struct dentry *, const struct inode *, + struct qstr *); +static int smb_compare_dentry(const struct dentry *, + const struct inode *, + const struct dentry *, const struct inode *, + unsigned int, const char *, const struct qstr *); +static int smb_delete_dentry(const struct dentry *); static const struct dentry_operations smbfs_dentry_operations = { @@ -297,13 +302,20 @@ static const struct dentry_operations smbfs_dentry_operations_case = * This is the callback when the dcache has a lookup hit. */ static int -smb_lookup_validate(struct dentry * dentry, struct nameidata *nd) +smb_lookup_validate(struct dentry *dentry, struct nameidata *nd) { - struct smb_sb_info *server = server_from_dentry(dentry); - struct inode * inode = dentry->d_inode; - unsigned long age = jiffies - dentry->d_time; + struct smb_sb_info *server; + struct inode *inode; + unsigned long age; int valid; + if (nd->flags & LOOKUP_RCU) + return -ECHILD; + + server = server_from_dentry(dentry); + inode = dentry->d_inode; + age = jiffies - dentry->d_time; + /* * The default validation is based on dentry age: * we believe in dentries for a few seconds. (But each @@ -333,7 +345,8 @@ smb_lookup_validate(struct dentry * dentry, struct nameidata *nd) } static int -smb_hash_dentry(struct dentry *dir, struct qstr *this) +smb_hash_dentry(const struct dentry *dir, const struct inode *inode, + struct qstr *this) { unsigned long hash; int i; @@ -347,14 +360,17 @@ smb_hash_dentry(struct dentry *dir, struct qstr *this) } static int -smb_compare_dentry(struct dentry *dir, struct qstr *a, struct qstr *b) +smb_compare_dentry(const struct dentry *parent, + const struct inode *pinode, + const struct dentry *dentry, const struct inode *inode, + unsigned int len, const char *str, const struct qstr *name) { int i, result = 1; - if (a->len != b->len) + if (len != name->len) goto out; - for (i=0; i < a->len; i++) { - if (tolower(a->name[i]) != tolower(b->name[i])) + for (i=0; i < len; i++) { + if (tolower(str[i]) != tolower(name->name[i])) goto out; } result = 0; @@ -367,7 +383,7 @@ out: * We use this to unhash dentries with bad inodes. */ static int -smb_delete_dentry(struct dentry * dentry) +smb_delete_dentry(const struct dentry *dentry) { if (dentry->d_inode) { if (is_bad_inode(dentry->d_inode)) { @@ -387,12 +403,6 @@ smb_delete_dentry(struct dentry * dentry) void smb_new_dentry(struct dentry *dentry) { - struct smb_sb_info *server = server_from_dentry(dentry); - - if (server->mnt->flags & SMB_MOUNT_CASE) - dentry->d_op = &smbfs_dentry_operations_case; - else - dentry->d_op = &smbfs_dentry_operations; dentry->d_time = jiffies; } @@ -424,7 +434,6 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) struct smb_fattr finfo; struct inode *inode; int error; - struct smb_sb_info *server; error = -ENAMETOOLONG; if (dentry->d_name.len > SMB_MAXNAMELEN) @@ -452,12 +461,6 @@ smb_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) inode = smb_iget(dir->i_sb, &finfo); if (inode) { add_entry: - server = server_from_dentry(dentry); - if (server->mnt->flags & SMB_MOUNT_CASE) - dentry->d_op = &smbfs_dentry_operations_case; - else - dentry->d_op = &smbfs_dentry_operations; - d_add(dentry, inode); smb_renew_times(dentry); error = 0; |