From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 79BF17F53 for ; Thu, 21 Aug 2014 19:55:21 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 593B3304062 for ; Thu, 21 Aug 2014 17:55:17 -0700 (PDT) Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id KI3fedTMBwALi3JG for ; Thu, 21 Aug 2014 17:55:16 -0700 (PDT) Message-ID: <53F694F9.9030406@sandeen.net> Date: Thu, 21 Aug 2014 19:55:21 -0500 From: Eric Sandeen MIME-Version: 1.0 Subject: [PATCH 1/4] xfs: check resblks before calling xfs_dir_canenter References: <53F6942B.80808@redhat.com> In-Reply-To: <53F6942B.80808@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Eric Sandeen , xfs-oss Move the resblks test out of the xfs_dir_canenter, and into the caller. This makes a little more sense on the face of it; xfs_dir_canenter immediately returns if resblks !=0; and given some of the comments preceding the calls: * Check for ability to enter directory entry, if no space reserved. even more so. It also facilitates the next patch. Signed-off-by: Eric Sandeen --- diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 6cef221..ea84e1c 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -535,22 +535,17 @@ out_free: /* * See if this entry can be added to the directory without allocating space. - * First checks that the caller couldn't reserve enough space (resblks = 0). */ int xfs_dir_canenter( xfs_trans_t *tp, xfs_inode_t *dp, - struct xfs_name *name, /* name of entry to add */ - uint resblks) + struct xfs_name *name) /* name of entry to add */ { struct xfs_da_args *args; int rval; int v; /* type-checking value */ - if (resblks) - return 0; - ASSERT(S_ISDIR(dp->i_d.di_mode)); args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h index c8e86b0..4dff261 100644 --- a/fs/xfs/libxfs/xfs_dir2.h +++ b/fs/xfs/libxfs/xfs_dir2.h @@ -136,7 +136,7 @@ extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp, xfs_fsblock_t *first, struct xfs_bmap_free *flist, xfs_extlen_t tot); extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp, - struct xfs_name *name, uint resblks); + struct xfs_name *name); /* * Direct call from the bmap code, bypassing the generic directory layer. diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index fea3c92..c92cb48 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1153,9 +1153,11 @@ xfs_create( if (error) goto out_trans_cancel; - error = xfs_dir_canenter(tp, dp, name, resblks); - if (error) - goto out_trans_cancel; + if (!resblks) { + error = xfs_dir_canenter(tp, dp, name); + if (error) + goto out_trans_cancel; + } /* * A newly created regular or special file just has one directory @@ -1421,9 +1423,11 @@ xfs_link( goto error_return; } - error = xfs_dir_canenter(tp, tdp, target_name, resblks); - if (error) - goto error_return; + if (!resblks) { + error = xfs_dir_canenter(tp, tdp, target_name); + if (error) + goto error_return; + } xfs_bmap_init(&free_list, &first_block); @@ -2759,9 +2763,11 @@ xfs_rename( * If there's no space reservation, check the entry will * fit before actually inserting it. */ - error = xfs_dir_canenter(tp, target_dp, target_name, spaceres); - if (error) - goto error_return; + if (!spaceres) { + error = xfs_dir_canenter(tp, target_dp, target_name); + if (error) + goto error_return; + } /* * If target does not exist and the rename crosses * directories, adjust the target directory link count diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c index 6a944a2..02ae62a 100644 --- a/fs/xfs/xfs_symlink.c +++ b/fs/xfs/xfs_symlink.c @@ -269,9 +269,11 @@ xfs_symlink( /* * Check for ability to enter directory entry, if no space reserved. */ - error = xfs_dir_canenter(tp, dp, link_name, resblks); - if (error) - goto error_return; + if (!resblks) { + error = xfs_dir_canenter(tp, dp, link_name); + if (error) + goto error_return; + } /* * Initialize the bmap freelist prior to calling either * bmapi or the directory create code. _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs