diff options
author | Darrick J. Wong <djwong@kernel.org> | 2023-10-16 19:34:39 +0300 |
---|---|---|
committer | Darrick J. Wong <djwong@kernel.org> | 2023-10-18 02:24:22 +0300 |
commit | 68db60bf01c131c09bbe35adf43bd957a4c124bc (patch) | |
tree | 05898334658a0cc5e8d1a50dfc32d02f7e971668 /fs/xfs/libxfs | |
parent | fa5a387230861116c2434c20d29fc4b3fd077d24 (diff) | |
download | linux-68db60bf01c131c09bbe35adf43bd957a4c124bc.tar.xz |
xfs: create a helper to compute leftovers of realtime extents
Create a helper to compute the misalignment between a file extent
(xfs_extlen_t) and a realtime extent.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 4 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.h | 9 |
2 files changed, 11 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 4e7de4f2fd7a..19203699b992 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -2989,7 +2989,7 @@ xfs_bmap_extsize_align( * If realtime, and the result isn't a multiple of the realtime * extent size we need to remove blocks until it is. */ - if (rt && (temp = (align_alen % mp->m_sb.sb_rextsize))) { + if (rt && (temp = xfs_extlen_to_rtxmod(mp, align_alen))) { /* * We're not covering the original request, or * we won't be able to once we fix the length. @@ -3016,7 +3016,7 @@ xfs_bmap_extsize_align( else { align_alen -= orig_off - align_off; align_off = orig_off; - align_alen -= align_alen % mp->m_sb.sb_rextsize; + align_alen -= xfs_extlen_to_rtxmod(mp, align_alen); } /* * Result doesn't cover the request, fail it. diff --git a/fs/xfs/libxfs/xfs_rtbitmap.h b/fs/xfs/libxfs/xfs_rtbitmap.h index 099ea8902aaa..b6a4c46bddc0 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.h +++ b/fs/xfs/libxfs/xfs_rtbitmap.h @@ -22,6 +22,15 @@ xfs_rtxlen_to_extlen( return rtxlen * mp->m_sb.sb_rextsize; } +/* Compute the misalignment between an extent length and a realtime extent .*/ +static inline unsigned int +xfs_extlen_to_rtxmod( + struct xfs_mount *mp, + xfs_extlen_t len) +{ + return len % mp->m_sb.sb_rextsize; +} + /* * Functions for walking free space rtextents in the realtime bitmap. */ |