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authorChristoph Hellwig <hch@lst.de>2019-10-28 08:41:44 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2019-10-29 09:50:12 -0700
commit3cd1d18b0d40098d51f12caa7a365f0e31a16e03 (patch)
treef38d5b8dd17579046c87c1378d35ee03fbc50332 /fs
parentb5ad616c3edfd0b79d13d2748e47158cc11e99cb (diff)
xfs: remove the m_readio_* fields in struct xfs_mount
m_readio_blocks is entirely unused, and m_readio_blocks is only used in xfs_stat_blksize in a max statements that is a no-op as it always has the same value as m_writeio_log. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/xfs_iops.c2
-rw-r--r--fs/xfs/xfs_mount.c18
-rw-r--r--fs/xfs/xfs_mount.h5
-rw-r--r--fs/xfs/xfs_super.c1
4 files changed, 6 insertions, 20 deletions
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index b6dbfd8eb6a1..271fcbe04d48 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -514,7 +514,7 @@ xfs_stat_blksize(
if (mp->m_swidth)
return mp->m_swidth << mp->m_sb.sb_blocklog;
if (mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)
- return 1U << max(mp->m_readio_log, mp->m_writeio_log);
+ return 1U << mp->m_writeio_log;
}
return PAGE_SIZE;
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index b423033e14f4..359fcfb494d4 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -437,25 +437,15 @@ xfs_set_rw_sizes(xfs_mount_t *mp)
xfs_sb_t *sbp = &(mp->m_sb);
int readio_log, writeio_log;
- if (!(mp->m_flags & XFS_MOUNT_DFLT_IOSIZE)) {
- readio_log = XFS_READIO_LOG_LARGE;
+ if (!(mp->m_flags & XFS_MOUNT_DFLT_IOSIZE))
writeio_log = XFS_WRITEIO_LOG_LARGE;
- } else {
- readio_log = mp->m_readio_log;
+ else
writeio_log = mp->m_writeio_log;
- }
- if (sbp->sb_blocklog > readio_log) {
- mp->m_readio_log = sbp->sb_blocklog;
- } else {
- mp->m_readio_log = readio_log;
- }
- mp->m_readio_blocks = 1 << (mp->m_readio_log - sbp->sb_blocklog);
- if (sbp->sb_blocklog > writeio_log) {
+ if (sbp->sb_blocklog > writeio_log)
mp->m_writeio_log = sbp->sb_blocklog;
- } else {
+ } else
mp->m_writeio_log = writeio_log;
- }
mp->m_writeio_blocks = 1 << (mp->m_writeio_log - sbp->sb_blocklog);
}
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index dc81e5c264ce..fba818d5c540 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -98,8 +98,6 @@ typedef struct xfs_mount {
xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
spinlock_t m_agirotor_lock;/* .. and lock protecting it */
xfs_agnumber_t m_maxagi; /* highest inode alloc group */
- uint m_readio_log; /* min read size log bytes */
- uint m_readio_blocks; /* min read size blocks */
uint m_writeio_log; /* min write size log bytes */
uint m_writeio_blocks; /* min write size blocks */
struct xfs_da_geometry *m_dir_geo; /* directory block geometry */
@@ -248,9 +246,8 @@ typedef struct xfs_mount {
/*
- * Default minimum read and write sizes.
+ * Default write size.
*/
-#define XFS_READIO_LOG_LARGE 16
#define XFS_WRITEIO_LOG_LARGE 16
/*
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 4089de3daded..a477348ab68b 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -405,7 +405,6 @@ done:
}
mp->m_flags |= XFS_MOUNT_DFLT_IOSIZE;
- mp->m_readio_log = iosizelog;
mp->m_writeio_log = iosizelog;
}