diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-10-28 16:41:43 +0100 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-10-29 17:50:12 +0100 |
| commit | dd2d535e3fb29d744aa8905c7d55199ce6bbfa49 (patch) | |
| tree | dd7c06a8ef0b8ae635114a25bba63d82737eba24 /fs/xfs/xfs_mount.h | |
| parent | xfs: remove the dsunit and dswidth variables in (diff) | |
| download | linux-dd2d535e3fb29d744aa8905c7d55199ce6bbfa49.tar.xz linux-dd2d535e3fb29d744aa8905c7d55199ce6bbfa49.zip | |
xfs: cleanup calculating the stat optimal I/O size
Move xfs_preferred_iosize to xfs_iops.c, unobsfucate it and also handle
the realtime special case in the helper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index fdb60e09a9c5..f69e370db341 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -267,30 +267,6 @@ typedef struct xfs_mount { #define XFS_WSYNC_READIO_LOG 15 /* 32k */ #define XFS_WSYNC_WRITEIO_LOG 14 /* 16k */ -/* - * Allow large block sizes to be reported to userspace programs if the - * "largeio" mount option is used. - * - * If compatibility mode is specified, simply return the basic unit of caching - * so that we don't get inefficient read/modify/write I/O from user apps. - * Otherwise.... - * - * If the underlying volume is a stripe, then return the stripe width in bytes - * as the recommended I/O size. It is not a stripe and we've set a default - * buffered I/O size, return that, otherwise return the compat default. - */ -static inline unsigned long -xfs_preferred_iosize(xfs_mount_t *mp) -{ - if (mp->m_flags & XFS_MOUNT_COMPAT_IOSIZE) - return PAGE_SIZE; - return (mp->m_swidth ? - (mp->m_swidth << mp->m_sb.sb_blocklog) : - ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ? - (1 << (int)max(mp->m_readio_log, mp->m_writeio_log)) : - PAGE_SIZE)); -} - #define XFS_LAST_UNMOUNT_WAS_CLEAN(mp) \ ((mp)->m_flags & XFS_MOUNT_WAS_CLEAN) #define XFS_FORCED_SHUTDOWN(mp) ((mp)->m_flags & XFS_MOUNT_FS_SHUTDOWN) |