diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-08-31 00:36:58 +0200 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2024-09-01 17:58:19 +0200 |
| commit | 266e78aec4b9bac0400b09603a2bd24bea7268df (patch) | |
| tree | e953c6125be2ac148c9e3832b233743b56595868 /fs/xfs | |
| parent | xfs: factor out a xfs_growfs_rt_bmblock helper (diff) | |
| download | linux-266e78aec4b9bac0400b09603a2bd24bea7268df.tar.xz linux-266e78aec4b9bac0400b09603a2bd24bea7268df.zip | |
xfs: factor out a xfs_last_rt_bmblock helper
Add helper to calculate the last currently used rt bitmap block to
better structure the growfs code and prepare for future changes to it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_rtalloc.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index febd039718ee..45a0d29949ea 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -949,6 +949,23 @@ out_free: } /* + * Calculate the last rbmblock currently used. + * + * This also deals with the case where there were no rtextents before. + */ +static xfs_fileoff_t +xfs_last_rt_bmblock( + struct xfs_mount *mp) +{ + xfs_fileoff_t bmbno = mp->m_sb.sb_rbmblocks; + + /* Skip the current block if it is exactly full. */ + if (xfs_rtx_to_rbmword(mp, mp->m_sb.sb_rextents) != 0) + bmbno--; + return bmbno; +} + +/* * Grow the realtime area of the filesystem. */ int @@ -1059,16 +1076,8 @@ xfs_growfs_rt( goto out_unlock; } - /* - * Loop over the bitmap blocks. - * We will do everything one bitmap block at a time. - * Skip the current block if it is exactly full. - * This also deals with the case where there were no rtextents before. - */ - bmbno = mp->m_sb.sb_rbmblocks; - if (xfs_rtx_to_rbmword(mp, mp->m_sb.sb_rextents) != 0) - bmbno--; - for (; bmbno < nrbmblocks; bmbno++) { + /* Initialize the free space bitmap one bitmap block at a time. */ + for (bmbno = xfs_last_rt_bmblock(mp); bmbno < nrbmblocks; bmbno++) { error = xfs_growfs_rt_bmblock(mp, in->newblocks, in->extsize, bmbno); if (error) |