diff options
Diffstat (limited to 'fs/cifs/readdir.c')
| -rw-r--r-- | fs/cifs/readdir.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 8fd2a95860b..c295338e0a9 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -69,7 +69,8 @@ static inline void dump_cifs_file_struct(struct file *file, char *label) * Attempt to preload the dcache with the results from the FIND_FIRST/NEXT * * Find the dentry that matches "name". If there isn't one, create one. If it's - * a negative dentry or the uniqueid changed, then drop it and recreate it. + * a negative dentry or the uniqueid or filetype(mode) changed, + * then drop it and recreate it. */ static void cifs_prime_dcache(struct dentry *parent, struct qstr *name, @@ -97,8 +98,11 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) fattr->cf_uniqueid = CIFS_I(inode)->uniqueid; - /* update inode in place if i_ino didn't change */ - if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) { + /* update inode in place + * if both i_ino and i_mode didn't change */ + if (CIFS_I(inode)->uniqueid == fattr->cf_uniqueid && + (inode->i_mode & S_IFMT) == + (fattr->cf_mode & S_IFMT)) { cifs_fattr_to_inode(inode, fattr); goto out; } @@ -123,7 +127,7 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name, if (!inode) goto out; - alias = d_materialise_unique(dentry, inode); + alias = d_splice_alias(inode, dentry); if (alias && !IS_ERR(alias)) dput(alias); out: @@ -261,7 +265,7 @@ initiate_cifs_search(const unsigned int xid, struct file *file) int rc = 0; char *full_path = NULL; struct cifsFileInfo *cifsFile; - struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file); struct tcon_link *tlink = NULL; struct cifs_tcon *tcon; struct TCP_Server_Info *server; @@ -561,7 +565,7 @@ find_cifs_entry(const unsigned int xid, struct cifs_tcon *tcon, loff_t pos, loff_t first_entry_in_buffer; loff_t index_to_find = pos; struct cifsFileInfo *cfile = file->private_data; - struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); + struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file); struct TCP_Server_Info *server = tcon->ses->server; /* check if index in the buffer */ @@ -679,7 +683,7 @@ static int cifs_filldir(char *find_entry, struct file *file, char *scratch_buf, unsigned int max_len) { struct cifsFileInfo *file_info = file->private_data; - struct super_block *sb = file->f_path.dentry->d_sb; + struct super_block *sb = file_inode(file)->i_sb; struct cifs_sb_info *cifs_sb = CIFS_SB(sb); struct cifs_dirent de = { NULL, }; struct cifs_fattr fattr; @@ -753,7 +757,7 @@ static int cifs_filldir(char *find_entry, struct file *file, */ fattr.cf_flags |= CIFS_FATTR_NEED_REVAL; - cifs_prime_dcache(file->f_dentry, &name, &fattr); + cifs_prime_dcache(file->f_path.dentry, &name, &fattr); ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid); return !dir_emit(ctx, name.name, name.len, ino, fattr.cf_dtype); @@ -794,10 +798,6 @@ int cifs_readdir(struct file *file, struct dir_context *ctx) if it before then restart search if after then keep searching till find it */ - if (file->private_data == NULL) { - rc = -EINVAL; - goto rddir2_exit; - } cifsFile = file->private_data; if (cifsFile->srch_inf.endOfSearch) { if (cifsFile->srch_inf.emptyDir) { |