diff options
author | 2015-04-26 15:48:49 -0700 | |
---|---|---|
committer | 2015-04-26 17:22:07 -0700 | |
commit | 9ec3a646fe09970f801ab15e0f1694060b9f19af (patch) | |
tree | 697058ca7e1671eda180a3ccc62445686fbc1a31 /fs/ceph/dir.c | |
parent | Merge tag 'pm+acpi-4.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
parent | RCU pathwalk breakage when running into a symlink overmounting something (diff) | |
download | linux-9ec3a646fe09970f801ab15e0f1694060b9f19af.tar.gz linux-9ec3a646fe09970f801ab15e0f1694060b9f19af.tar.bz2 linux-9ec3a646fe09970f801ab15e0f1694060b9f19af.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fourth vfs update from Al Viro:
"d_inode() annotations from David Howells (sat in for-next since before
the beginning of merge window) + four assorted fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
RCU pathwalk breakage when running into a symlink overmounting something
fix I_DIO_WAKEUP definition
direct-io: only inc/dec inode->i_dio_count for file systems
fs/9p: fix readdir()
VFS: assorted d_backing_inode() annotations
VFS: fs/inode.c helpers: d_inode() annotations
VFS: fs/cachefiles: d_backing_inode() annotations
VFS: fs library helpers: d_inode() annotations
VFS: assorted weird filesystems: d_inode() annotations
VFS: normal filesystems (and lustre): d_inode() annotations
VFS: security/: d_inode() annotations
VFS: security/: d_backing_inode() annotations
VFS: net/: d_inode() annotations
VFS: net/unix: d_backing_inode() annotations
VFS: kernel/: d_inode() annotations
VFS: audit: d_backing_inode() annotations
VFS: Fix up some ->d_inode accesses in the chelsio driver
VFS: Cachefiles should perform fs modifications on the top layer only
VFS: AF_UNIX sockets should call mknod on the top layer only
Diffstat (limited to 'fs/ceph/dir.c')
-rw-r--r-- | fs/ceph/dir.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index e729b79812b4..4248307fea90 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -49,9 +49,9 @@ int ceph_init_dentry(struct dentry *dentry) goto out_unlock; } - if (ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP) + if (ceph_snap(d_inode(dentry->d_parent)) == CEPH_NOSNAP) d_set_d_op(dentry, &ceph_dentry_ops); - else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR) + else if (ceph_snap(d_inode(dentry->d_parent)) == CEPH_SNAPDIR) d_set_d_op(dentry, &ceph_snapdir_dentry_ops); else d_set_d_op(dentry, &ceph_snap_dentry_ops); @@ -77,7 +77,7 @@ struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry) spin_lock(&dentry->d_lock); if (!IS_ROOT(dentry)) { - inode = dentry->d_parent->d_inode; + inode = d_inode(dentry->d_parent); ihold(inode); } spin_unlock(&dentry->d_lock); @@ -122,7 +122,7 @@ static int __dcache_readdir(struct file *file, struct dir_context *ctx, { struct ceph_file_info *fi = file->private_data; struct dentry *parent = file->f_path.dentry; - struct inode *dir = parent->d_inode; + struct inode *dir = d_inode(parent); struct list_head *p; struct dentry *dentry, *last; struct ceph_dentry_info *di; @@ -161,15 +161,15 @@ more: } spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED); if (di->lease_shared_gen == shared_gen && - !d_unhashed(dentry) && dentry->d_inode && - ceph_snap(dentry->d_inode) != CEPH_SNAPDIR && - ceph_ino(dentry->d_inode) != CEPH_INO_CEPH && + !d_unhashed(dentry) && d_really_is_positive(dentry) && + ceph_snap(d_inode(dentry)) != CEPH_SNAPDIR && + ceph_ino(d_inode(dentry)) != CEPH_INO_CEPH && fpos_cmp(ctx->pos, di->offset) <= 0) break; dout(" skipping %p %pd at %llu (%llu)%s%s\n", dentry, dentry, di->offset, ctx->pos, d_unhashed(dentry) ? " unhashed" : "", - !dentry->d_inode ? " null" : ""); + !d_inode(dentry) ? " null" : ""); spin_unlock(&dentry->d_lock); p = p->prev; dentry = list_entry(p, struct dentry, d_child); @@ -189,11 +189,11 @@ more: } dout(" %llu (%llu) dentry %p %pd %p\n", di->offset, ctx->pos, - dentry, dentry, dentry->d_inode); + dentry, dentry, d_inode(dentry)); if (!dir_emit(ctx, dentry->d_name.name, dentry->d_name.len, - ceph_translate_ino(dentry->d_sb, dentry->d_inode->i_ino), - dentry->d_inode->i_mode >> 12)) { + ceph_translate_ino(dentry->d_sb, d_inode(dentry)->i_ino), + d_inode(dentry)->i_mode >> 12)) { if (last) { /* remember our position */ fi->dentry = last; @@ -543,7 +543,7 @@ int ceph_handle_snapdir(struct ceph_mds_request *req, struct dentry *dentry, int err) { struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb); - struct inode *parent = dentry->d_parent->d_inode; /* we hold i_mutex */ + struct inode *parent = d_inode(dentry->d_parent); /* we hold i_mutex */ /* .snap dir? */ if (err == -ENOENT && @@ -579,8 +579,8 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req, err = 0; if (!req->r_reply_info.head->is_dentry) { dout("ENOENT and no trace, dentry %p inode %p\n", - dentry, dentry->d_inode); - if (dentry->d_inode) { + dentry, d_inode(dentry)); + if (d_really_is_positive(dentry)) { d_drop(dentry); err = -ENOENT; } else { @@ -627,7 +627,7 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry, return ERR_PTR(err); /* can we conclude ENOENT locally? */ - if (dentry->d_inode == NULL) { + if (d_really_is_negative(dentry)) { struct ceph_inode_info *ci = ceph_inode(dir); struct ceph_dentry_info *di = ceph_dentry(dentry); @@ -734,7 +734,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, ceph_mdsc_put_request(req); out: if (!err) - ceph_init_inode_acls(dentry->d_inode, &acls); + ceph_init_inode_acls(d_inode(dentry), &acls); else d_drop(dentry); ceph_release_acls_info(&acls); @@ -835,7 +835,7 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) ceph_mdsc_put_request(req); out: if (!err) - ceph_init_inode_acls(dentry->d_inode, &acls); + ceph_init_inode_acls(d_inode(dentry), &acls); else d_drop(dentry); ceph_release_acls_info(&acls); @@ -872,8 +872,8 @@ static int ceph_link(struct dentry *old_dentry, struct inode *dir, if (err) { d_drop(dentry); } else if (!req->r_reply_info.head->is_dentry) { - ihold(old_dentry->d_inode); - d_instantiate(dentry, old_dentry->d_inode); + ihold(d_inode(old_dentry)); + d_instantiate(dentry, d_inode(old_dentry)); } ceph_mdsc_put_request(req); return err; @@ -906,7 +906,7 @@ static int ceph_unlink(struct inode *dir, struct dentry *dentry) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; - struct inode *inode = dentry->d_inode; + struct inode *inode = d_inode(dentry); struct ceph_mds_request *req; int err = -EROFS; int op; @@ -975,8 +975,8 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, req->r_dentry_unless = CEPH_CAP_FILE_EXCL; /* release LINK_RDCACHE on source inode (mds will lock it) */ req->r_old_inode_drop = CEPH_CAP_LINK_SHARED; - if (new_dentry->d_inode) - req->r_inode_drop = drop_caps_for_unlink(new_dentry->d_inode); + if (d_really_is_positive(new_dentry)) + req->r_inode_drop = drop_caps_for_unlink(d_inode(new_dentry)); err = ceph_mdsc_do_request(mdsc, old_dir, req); if (!err && !req->r_reply_info.head->is_dentry) { /* @@ -1042,7 +1042,7 @@ static int dentry_lease_is_valid(struct dentry *dentry) if (di->lease_renew_after && time_after(jiffies, di->lease_renew_after)) { /* we should renew */ - dir = dentry->d_parent->d_inode; + dir = d_inode(dentry->d_parent); session = ceph_get_mds_session(s); seq = di->lease_seq; di->lease_renew_after = 0; @@ -1092,22 +1092,22 @@ static int ceph_d_revalidate(struct dentry *dentry, unsigned int flags) return -ECHILD; dout("d_revalidate %p '%pd' inode %p offset %lld\n", dentry, - dentry, dentry->d_inode, ceph_dentry(dentry)->offset); + dentry, d_inode(dentry), ceph_dentry(dentry)->offset); dir = ceph_get_dentry_parent_inode(dentry); /* always trust cached snapped dentries, snapdir dentry */ if (ceph_snap(dir) != CEPH_NOSNAP) { dout("d_revalidate %p '%pd' inode %p is SNAPPED\n", dentry, - dentry, dentry->d_inode); + dentry, d_inode(dentry)); valid = 1; - } else if (dentry->d_inode && - ceph_snap(dentry->d_inode) == CEPH_SNAPDIR) { + } else if (d_really_is_positive(dentry) && + ceph_snap(d_inode(dentry)) == CEPH_SNAPDIR) { valid = 1; } else if (dentry_lease_is_valid(dentry) || dir_lease_is_valid(dir, dentry)) { - if (dentry->d_inode) - valid = ceph_is_any_caps(dentry->d_inode); + if (d_really_is_positive(dentry)) + valid = ceph_is_any_caps(d_inode(dentry)); else valid = 1; } @@ -1169,7 +1169,7 @@ static void ceph_d_prune(struct dentry *dentry) * we hold d_lock, so d_parent is stable, and d_fsdata is never * cleared until d_release */ - ceph_dir_clear_complete(dentry->d_parent->d_inode); + ceph_dir_clear_complete(d_inode(dentry->d_parent)); } /* |