diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/dcache.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/dcache.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c index 1b6f82a1a435..581a63a0a63e 100644 --- a/drivers/staging/lustre/lustre/llite/dcache.c +++ b/drivers/staging/lustre/lustre/llite/dcache.c @@ -15,11 +15,7 @@ * * You should have received a copy of the GNU General Public License * version 2 along with this program; If not, see - * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. + * http://www.gnu.org/licenses/gpl-2.0.html * * GPL HEADER END */ @@ -206,27 +202,27 @@ int ll_d_init(struct dentry *de) void ll_intent_drop_lock(struct lookup_intent *it) { - if (it->it_op && it->d.lustre.it_lock_mode) { + if (it->it_op && it->it_lock_mode) { struct lustre_handle handle; - handle.cookie = it->d.lustre.it_lock_handle; + handle.cookie = it->it_lock_handle; CDEBUG(D_DLMTRACE, "releasing lock with cookie %#llx from it %p\n", handle.cookie, it); - ldlm_lock_decref(&handle, it->d.lustre.it_lock_mode); + ldlm_lock_decref(&handle, it->it_lock_mode); /* bug 494: intent_release may be called multiple times, from * this thread and we don't want to double-decref this lock */ - it->d.lustre.it_lock_mode = 0; - if (it->d.lustre.it_remote_lock_mode != 0) { - handle.cookie = it->d.lustre.it_remote_lock_handle; + it->it_lock_mode = 0; + if (it->it_remote_lock_mode != 0) { + handle.cookie = it->it_remote_lock_handle; CDEBUG(D_DLMTRACE, "releasing remote lock with cookie%#llx from it %p\n", handle.cookie, it); ldlm_lock_decref(&handle, - it->d.lustre.it_remote_lock_mode); - it->d.lustre.it_remote_lock_mode = 0; + it->it_remote_lock_mode); + it->it_remote_lock_mode = 0; } } } @@ -237,13 +233,13 @@ void ll_intent_release(struct lookup_intent *it) ll_intent_drop_lock(it); /* We are still holding extra reference on a request, need to free it */ if (it_disposition(it, DISP_ENQ_OPEN_REF)) - ptlrpc_req_finished(it->d.lustre.it_data); /* ll_file_open */ + ptlrpc_req_finished(it->it_request); /* ll_file_open */ if (it_disposition(it, DISP_ENQ_CREATE_REF)) /* create rec */ - ptlrpc_req_finished(it->d.lustre.it_data); + ptlrpc_req_finished(it->it_request); - it->d.lustre.it_disposition = 0; - it->d.lustre.it_data = NULL; + it->it_disposition = 0; + it->it_request = NULL; } void ll_invalidate_aliases(struct inode *inode) @@ -253,7 +249,7 @@ void ll_invalidate_aliases(struct inode *inode) CDEBUG(D_INODE, "marking dentries for ino "DFID"(%p) invalid\n", PFID(ll_inode2fid(inode)), inode); - ll_lock_dcache(inode); + spin_lock(&inode->i_lock); hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { CDEBUG(D_DENTRY, "dentry in drop %pd (%p) parent %p inode %p flags %d\n", dentry, dentry, dentry->d_parent, @@ -261,7 +257,7 @@ void ll_invalidate_aliases(struct inode *inode) d_lustre_invalidate(dentry, 0); } - ll_unlock_dcache(inode); + spin_unlock(&inode->i_lock); } int ll_revalidate_it_finish(struct ptlrpc_request *request, @@ -283,7 +279,7 @@ int ll_revalidate_it_finish(struct ptlrpc_request *request, void ll_lookup_finish_locks(struct lookup_intent *it, struct inode *inode) { - if (it->d.lustre.it_lock_mode && inode) { + if (it->it_lock_mode && inode) { struct ll_sb_info *sbi = ll_i2sbi(inode); CDEBUG(D_DLMTRACE, "setting l_data to inode "DFID"(%p)\n", @@ -306,6 +302,17 @@ static int ll_revalidate_dentry(struct dentry *dentry, { struct inode *dir = d_inode(dentry->d_parent); + /* If this is intermediate component path lookup and we were able to get + * to this dentry, then its lock has not been revoked and the + * path component is valid. + */ + if (lookup_flags & LOOKUP_PARENT) + return 1; + + /* Symlink - always valid as long as the dentry was found */ + if (dentry->d_inode && S_ISLNK(dentry->d_inode->i_mode)) + return 1; + /* * if open&create is set, talk to MDS to make sure file is created if * necessary, because we can't do this in ->open() later since that's |