diff options
Diffstat (limited to 'fs/xfs/xfs_dir2_node.c')
| -rw-r--r-- | fs/xfs/xfs_dir2_node.c | 23 | 
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c index e29b7c63e19..fedf8f976a1 100644 --- a/fs/xfs/xfs_dir2_node.c +++ b/fs/xfs/xfs_dir2_node.c @@ -556,6 +556,7 @@ xfs_dir2_leafn_lookup_for_entry(  	xfs_mount_t		*mp;		/* filesystem mount point */  	xfs_dir2_db_t		newdb;		/* new data block number */  	xfs_trans_t		*tp;		/* transaction pointer */ +	enum xfs_dacmp		cmp;		/* comparison result */  	dp = args->dp;  	tp = args->trans; @@ -620,17 +621,21 @@ xfs_dir2_leafn_lookup_for_entry(  		dep = (xfs_dir2_data_entry_t *)((char *)curbp->data +  			xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));  		/* -		 * Compare the entry, return it if it matches. +		 * Compare the entry and if it's an exact match, return +		 * EEXIST immediately. If it's the first case-insensitive +		 * match, store the inode number and continue looking.  		 */ -		if (dep->namelen == args->namelen && memcmp(dep->name, -					args->name, args->namelen) == 0) { +		cmp = mp->m_dirnameops->compname(args, dep->name, dep->namelen); +		if (cmp != XFS_CMP_DIFFERENT && cmp != args->cmpresult) { +			args->cmpresult = cmp;  			args->inumber = be64_to_cpu(dep->inumber);  			di = (int)((char *)dep - (char *)curbp->data);  			error = EEXIST; -			goto out; +			if (cmp == XFS_CMP_EXACT) +				goto out;  		}  	} -	/* Didn't find a match. */ +	/* Didn't find an exact match. */  	error = ENOENT;  	di = -1;  	ASSERT(index == be16_to_cpu(leaf->hdr.count) || args->oknoent); @@ -1813,6 +1818,8 @@ xfs_dir2_node_lookup(  	error = xfs_da_node_lookup_int(state, &rval);  	if (error)  		rval = error; +	else if (rval == ENOENT && args->cmpresult == XFS_CMP_CASE) +		rval = EEXIST;	/* a case-insensitive match was found */  	/*  	 * Release the btree blocks and leaf block.  	 */ @@ -1856,9 +1863,8 @@ xfs_dir2_node_removename(  	 * Look up the entry we're deleting, set up the cursor.  	 */  	error = xfs_da_node_lookup_int(state, &rval); -	if (error) { +	if (error)  		rval = error; -	}  	/*  	 * Didn't find it, upper layer screwed up.  	 */ @@ -1875,9 +1881,8 @@ xfs_dir2_node_removename(  	 */  	error = xfs_dir2_leafn_remove(args, blk->bp, blk->index,  		&state->extrablk, &rval); -	if (error) { +	if (error)  		return error; -	}  	/*  	 * Fix the hash values up the btree.  	 */  |