Re: [PATCH v2] xfs: use generic FS_IOC_GOINGDOWN for ioctl

From: Jaegeuk Kim
Date: Thu Jan 08 2015 - 20:48:42 EST


Change log from v1:
o remove the obsolete options.

-- >8 --

This patch uses XFS_IOC_GOINGDOWN for a generic ioctl command, FS_IOC_GOINGDOWN.

Cc: Dave Chinner <david@xxxxxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/xfs/xfs_fs.h | 9 +--------
fs/xfs/xfs_fsops.c | 6 +++---
2 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 18dc721..a44f528 100644
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -482,13 +482,6 @@ typedef struct xfs_swapext
} xfs_swapext_t;

/*
- * Flags for going down operation
- */
-#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
-#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
-#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
-
-/*
* ioctl commands that are used by Linux filesystems
*/
#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
@@ -555,7 +548,7 @@ typedef struct xfs_swapext
#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
-#define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
+#define XFS_IOC_GOINGDOWN FS_IOC_GOINGDOWN
/* XFS_IOC_GETFSUUID ---------- deprecated 140 */


diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index fdc6422..f403664 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -793,7 +793,7 @@ xfs_fs_goingdown(
__uint32_t inflags)
{
switch (inflags) {
- case XFS_FSOP_GOING_FLAGS_DEFAULT: {
+ case FS_GOING_DOWN_FULLSYNC: {
struct super_block *sb = freeze_bdev(mp->m_super->s_bdev);

if (sb && !IS_ERR(sb)) {
@@ -803,10 +803,10 @@ xfs_fs_goingdown(

break;
}
- case XFS_FSOP_GOING_FLAGS_LOGFLUSH:
+ case FS_GOING_DOWN_METASYNC:
xfs_force_shutdown(mp, SHUTDOWN_FORCE_UMOUNT);
break;
- case XFS_FSOP_GOING_FLAGS_NOLOGFLUSH:
+ case FS_GOING_DOWN_NOSYNC:
xfs_force_shutdown(mp,
SHUTDOWN_FORCE_UMOUNT | SHUTDOWN_LOG_IO_ERROR);
break;
--
2.1.1

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