diff options
Diffstat (limited to 'fs/ceph/dir.c')
| -rw-r--r-- | fs/ceph/dir.c | 46 |
1 files changed, 11 insertions, 35 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 3e8094be460..e5b77319c97 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -51,8 +51,7 @@ int ceph_init_dentry(struct dentry *dentry) goto out_unlock; } - if (dentry->d_parent == NULL || /* nfs fh_to_dentry */ - ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP) + if (ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP) d_set_d_op(dentry, &ceph_dentry_ops); else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR) d_set_d_op(dentry, &ceph_snapdir_dentry_ops); @@ -79,7 +78,7 @@ struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry) return NULL; spin_lock(&dentry->d_lock); - if (dentry->d_parent) { + if (!IS_ROOT(dentry)) { inode = dentry->d_parent->d_inode; ihold(inode); } @@ -576,7 +575,7 @@ static int is_root_ceph_dentry(struct inode *inode, struct dentry *dentry) * the MDS so that it gets our 'caps wanted' value in a single op. */ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -594,14 +593,6 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, if (err < 0) return ERR_PTR(err); - /* open (but not create!) intent? */ - if (nd && - (nd->flags & LOOKUP_OPEN) && - !(nd->intent.open.flags & O_CREAT)) { - int mode = nd->intent.open.create_mode & ~current->fs->umask; - return ceph_lookup_open(dir, dentry, nd, mode, 1); - } - /* can we conclude ENOENT locally? */ if (dentry->d_inode == NULL) { struct ceph_inode_info *ci = ceph_inode(dir); @@ -648,7 +639,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, */ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry) { - struct dentry *result = ceph_lookup(dir, dentry, NULL); + struct dentry *result = ceph_lookup(dir, dentry, 0); if (result && !IS_ERR(result)) { /* @@ -700,25 +691,9 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, } static int ceph_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) + bool excl) { - dout("create in dir %p dentry %p name '%.*s'\n", - dir, dentry, dentry->d_name.len, dentry->d_name.name); - - if (ceph_snap(dir) != CEPH_NOSNAP) - return -EROFS; - - if (nd) { - BUG_ON((nd->flags & LOOKUP_OPEN) == 0); - dentry = ceph_lookup_open(dir, dentry, nd, mode, 0); - /* hrm, what should i do here if we get aliased? */ - if (IS_ERR(dentry)) - return PTR_ERR(dentry); - return 0; - } - - /* fall back to mknod */ - return ceph_mknod(dir, dentry, (mode & ~S_IFMT) | S_IFREG, 0); + return ceph_mknod(dir, dentry, mode, 0); } static int ceph_symlink(struct inode *dir, struct dentry *dentry, @@ -1028,12 +1003,12 @@ static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry) /* * Check if cached dentry can be trusted. */ -static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd) +static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) { int valid = 0; struct inode *dir; - if (nd && nd->flags & LOOKUP_RCU) + if (flags & LOOKUP_RCU) return -ECHILD; dout("d_revalidate %p '%.*s' inode %p offset %lld\n", dentry, @@ -1080,7 +1055,7 @@ static void ceph_d_release(struct dentry *dentry) } static int ceph_snapdir_d_revalidate(struct dentry *dentry, - struct nameidata *nd) + unsigned int flags) { /* * Eventually, we'll want to revalidate snapped metadata @@ -1140,7 +1115,7 @@ static void ceph_d_prune(struct dentry *dentry) dout("ceph_d_prune %p\n", dentry); /* do we have a valid parent? */ - if (!dentry->d_parent || IS_ROOT(dentry)) + if (IS_ROOT(dentry)) return; /* if we are not hashed, we don't affect D_COMPLETE */ @@ -1357,6 +1332,7 @@ const struct inode_operations ceph_dir_iops = { .rmdir = ceph_unlink, .rename = ceph_rename, .create = ceph_create, + .atomic_open = ceph_atomic_open, }; const struct dentry_operations ceph_dentry_ops = { |