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kill di_mode checks after xfs_iget

PATCH New Christoph Hellwig 1 participant 1 message Apr 11, 2008 XFS filesystem

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PATCH 1/1 kill di_mode checks after xfs_iget

Unless XFS_IGET_CREATE is passed xfs_iget will return ENOENT if it encounters an inode with di_mode == 0. Remove the duplicated checks in the callers.

(the log recovery case is not touched for now)

fs/xfs/dmapi/xfs_dm.c +0 -8
Index: linux-2.6-xfs/fs/xfs/dmapi/xfs_dm.c
===================================================================
@@ -503,10 +503,6 @@ xfs_dm_bulkall_iget_one(
 			 XFS_IGET_BULKSTAT, XFS_ILOCK_SHARED, &ip, bno);
 	if (error)
 		return error;
-	if (ip->i_d.di_mode == 0) {
-		xfs_iput_new(ip, XFS_ILOCK_SHARED);
-		return ENOENT;
-	}
 
 	xfs_ip_to_stat(mp, ino, ip, &xbuf->dx_statinfo);
 	dm_ip_to_handle(ip->i_vnode, &handle);
@@ -766,10 +762,6 @@ xfs_dm_bulkattr_iget_one(
 			 XFS_IGET_BULKSTAT, XFS_ILOCK_SHARED, &ip, bno);
 	if (error)
 		return error;
-	if (ip->i_d.di_mode == 0) {
-		xfs_iput_new(ip, XFS_ILOCK_SHARED);
-		return ENOENT;
-	}
 
 	xfs_ip_to_stat(mp, ino, ip, sbuf);
 	dm_ip_to_handle(ip->i_vnode, &handle);
fs/xfs/linux-2.6/xfs_ioctl.c +1 -1
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_ioctl.c
===================================================================
@@ -238,7 +238,7 @@ xfs_vget_fsop_handlereq(
 		return error;
 	if (ip == NULL)
 		return XFS_ERROR(EIO);
-	if (ip->i_d.di_mode == 0 || ip->i_d.di_gen != igen) {
+	if (ip->i_d.di_gen != igen) {
 		xfs_iput_new(ip, XFS_ILOCK_SHARED);
 		return XFS_ERROR(ENOENT);
 	}
fs/xfs/quota/xfs_qm.c +0 -6
Index: linux-2.6-xfs/fs/xfs/quota/xfs_qm.c
===================================================================
@@ -1737,12 +1737,6 @@ xfs_qm_dqusage_adjust(
 		return error;
 	}
 
-	if (ip->i_d.di_mode == 0) {
-		xfs_iput_new(ip, XFS_ILOCK_EXCL);
-		*res = BULKSTAT_RV_NOTHING;
-		return XFS_ERROR(ENOENT);
-	}
-
 	/*
 	 * Obtain the locked dquots. In case of an error (eg. allocation
 	 * fails for ENOSPC), we return the negative of the error number
fs/xfs/quota/xfs_qm_syscalls.c +0 -6
Index: linux-2.6-xfs/fs/xfs/quota/xfs_qm_syscalls.c
===================================================================
@@ -1366,12 +1366,6 @@ xfs_qm_internalqcheck_adjust(
 		return (error);
 	}
 
-	if (ip->i_d.di_mode == 0) {
-		xfs_iput_new(ip, lock_flags);
-		*res = BULKSTAT_RV_NOTHING;
-		return XFS_ERROR(ENOENT);
-	}
-
 	/*
 	 * This inode can have blocks after eof which can get released
 	 * when we send it to inactive. Since we don't check the dquot
fs/xfs/xfs_itable.c +0 -5
Index: linux-2.6-xfs/fs/xfs/xfs_itable.c
===================================================================
@@ -71,11 +71,6 @@ xfs_bulkstat_one_iget(
 
 	ASSERT(ip != NULL);
 	ASSERT(ip->i_blkno != (xfs_daddr_t)0);
-	if (ip->i_d.di_mode == 0) {
-		*stat = BULKSTAT_RV_NOTHING;
-		error = XFS_ERROR(ENOENT);
-		goto out_iput;
-	}
 
 	vp = XFS_ITOV(ip);
 	dic = &ip->i_d;
fs/xfs/linux-2.6/xfs_export.c +1 -1
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_export.c
===================================================================
@@ -133,7 +133,7 @@ xfs_nfs_get_inode(
 	if (!ip)
 		return ERR_PTR(-EIO);
 
-	if (!ip->i_d.di_mode || ip->i_d.di_gen != generation) {
+	if (ip->i_d.di_gen != generation) {
 		xfs_iput_new(ip, XFS_ILOCK_SHARED);
 		return ERR_PTR(-ENOENT);
 	}