summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_super.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c42
1 files changed, 24 insertions, 18 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 819a3568b28f..f0ae07828153 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -361,14 +361,15 @@ STATIC int
xfs_blkdev_get(
xfs_mount_t *mp,
const char *name,
- struct block_device **bdevp)
+ struct bdev_handle **handlep)
{
int error = 0;
- *bdevp = blkdev_get_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE,
- mp->m_super, &fs_holder_ops);
- if (IS_ERR(*bdevp)) {
- error = PTR_ERR(*bdevp);
+ *handlep = bdev_open_by_path(name, BLK_OPEN_READ | BLK_OPEN_WRITE,
+ mp->m_super, &fs_holder_ops);
+ if (IS_ERR(*handlep)) {
+ error = PTR_ERR(*handlep);
+ *handlep = NULL;
xfs_warn(mp, "Invalid device [%s], error=%d", name, error);
}
@@ -433,7 +434,7 @@ xfs_open_devices(
{
struct super_block *sb = mp->m_super;
struct block_device *ddev = sb->s_bdev;
- struct block_device *logdev = NULL, *rtdev = NULL;
+ struct bdev_handle *logdev_handle = NULL, *rtdev_handle = NULL;
int error;
/*
@@ -446,17 +447,19 @@ xfs_open_devices(
* Open real time and log devices - order is important.
*/
if (mp->m_logname) {
- error = xfs_blkdev_get(mp, mp->m_logname, &logdev);
+ error = xfs_blkdev_get(mp, mp->m_logname, &logdev_handle);
if (error)
goto out_relock;
}
if (mp->m_rtname) {
- error = xfs_blkdev_get(mp, mp->m_rtname, &rtdev);
+ error = xfs_blkdev_get(mp, mp->m_rtname, &rtdev_handle);
if (error)
goto out_close_logdev;
- if (rtdev == ddev || rtdev == logdev) {
+ if (rtdev_handle->bdev == ddev ||
+ (logdev_handle &&
+ rtdev_handle->bdev == logdev_handle->bdev)) {
xfs_warn(mp,
"Cannot mount filesystem with identical rtdev and ddev/logdev.");
error = -EINVAL;
@@ -468,22 +471,25 @@ xfs_open_devices(
* Setup xfs_mount buffer target pointers
*/
error = -ENOMEM;
- mp->m_ddev_targp = xfs_alloc_buftarg(mp, ddev);
+ mp->m_ddev_targp = xfs_alloc_buftarg(mp, sb->s_bdev_handle);
if (!mp->m_ddev_targp)
goto out_close_rtdev;
- if (rtdev) {
- mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev);
+ if (rtdev_handle) {
+ mp->m_rtdev_targp = xfs_alloc_buftarg(mp, rtdev_handle);
if (!mp->m_rtdev_targp)
goto out_free_ddev_targ;
}
- if (logdev && logdev != ddev) {
- mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev);
+ if (logdev_handle && logdev_handle->bdev != ddev) {
+ mp->m_logdev_targp = xfs_alloc_buftarg(mp, logdev_handle);
if (!mp->m_logdev_targp)
goto out_free_rtdev_targ;
} else {
mp->m_logdev_targp = mp->m_ddev_targp;
+ /* Handle won't be used, drop it */
+ if (logdev_handle)
+ bdev_release(logdev_handle);
}
error = 0;
@@ -497,11 +503,11 @@ out_relock:
out_free_ddev_targ:
xfs_free_buftarg(mp->m_ddev_targp);
out_close_rtdev:
- if (rtdev)
- blkdev_put(rtdev, sb);
+ if (rtdev_handle)
+ bdev_release(rtdev_handle);
out_close_logdev:
- if (logdev && logdev != ddev)
- blkdev_put(logdev, sb);
+ if (logdev_handle)
+ bdev_release(logdev_handle);
goto out_relock;
}