diff options
author | Christoph Hellwig <hch@lst.de> | 2019-10-28 08:41:44 -0700 |
---|---|---|
committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-10-29 09:50:12 -0700 |
commit | 3cd1d18b0d40098d51f12caa7a365f0e31a16e03 (patch) | |
tree | f38d5b8dd17579046c87c1378d35ee03fbc50332 /fs | |
parent | b5ad616c3edfd0b79d13d2748e47158cc11e99cb (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.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.c | 18 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 5 | ||||
-rw-r--r-- | fs/xfs/xfs_super.c | 1 |
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; } |