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authorChristoph Hellwig <hch@lst.de>2024-04-22 14:20:16 +0300
committerChandan Babu R <chandanbabu@kernel.org>2024-04-22 15:30:49 +0300
commit727f8431638fdb5dc9ce9c81bdcc33fb416d45ee (patch)
treed3709e72961049686aa985d0299cbc0f208ad8a6
parent7099bd0f243fa7511de6e95b0b8807ba7d3e5204 (diff)
downloadlinux-727f8431638fdb5dc9ce9c81bdcc33fb416d45ee.tar.xz
xfs: look at m_frextents in xfs_iomap_prealloc_size for RT allocations
Add a check for files on the RT subvolume and use m_frextents instead of m_fdblocks to adjust the preallocation size. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: "Darrick J. Wong" <djwong@kernel.org> Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
-rw-r--r--fs/xfs/xfs_iomap.c43
1 files changed, 31 insertions, 12 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 4087af7f3c9f..bba5a0d87d03 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -28,6 +28,7 @@
#include "xfs_dquot.h"
#include "xfs_reflink.h"
#include "xfs_health.h"
+#include "xfs_rtbitmap.h"
#define XFS_ALLOC_ALIGN(mp, off) \
(((off) >> mp->m_allocsize_log) << mp->m_allocsize_log)
@@ -404,6 +405,29 @@ xfs_quota_calc_throttle(
}
}
+static int64_t
+xfs_iomap_freesp(
+ struct percpu_counter *counter,
+ uint64_t low_space[XFS_LOWSP_MAX],
+ int *shift)
+{
+ int64_t freesp;
+
+ freesp = percpu_counter_read_positive(counter);
+ if (freesp < low_space[XFS_LOWSP_5_PCNT]) {
+ *shift = 2;
+ if (freesp < low_space[XFS_LOWSP_4_PCNT])
+ (*shift)++;
+ if (freesp < low_space[XFS_LOWSP_3_PCNT])
+ (*shift)++;
+ if (freesp < low_space[XFS_LOWSP_2_PCNT])
+ (*shift)++;
+ if (freesp < low_space[XFS_LOWSP_1_PCNT])
+ (*shift)++;
+ }
+ return freesp;
+}
+
/*
* If we don't have a user specified preallocation size, dynamically increase
* the preallocation size as the size of the file grows. Cap the maximum size
@@ -486,18 +510,13 @@ xfs_iomap_prealloc_size(
alloc_blocks = XFS_FILEOFF_MIN(roundup_pow_of_two(XFS_MAX_BMBT_EXTLEN),
alloc_blocks);
- freesp = percpu_counter_read_positive(&mp->m_fdblocks);
- if (freesp < mp->m_low_space[XFS_LOWSP_5_PCNT]) {
- shift = 2;
- if (freesp < mp->m_low_space[XFS_LOWSP_4_PCNT])
- shift++;
- if (freesp < mp->m_low_space[XFS_LOWSP_3_PCNT])
- shift++;
- if (freesp < mp->m_low_space[XFS_LOWSP_2_PCNT])
- shift++;
- if (freesp < mp->m_low_space[XFS_LOWSP_1_PCNT])
- shift++;
- }
+ if (unlikely(XFS_IS_REALTIME_INODE(ip)))
+ freesp = xfs_rtx_to_rtb(mp,
+ xfs_iomap_freesp(&mp->m_frextents,
+ mp->m_low_rtexts, &shift));
+ else
+ freesp = xfs_iomap_freesp(&mp->m_fdblocks, mp->m_low_space,
+ &shift);
/*
* Check each quota to cap the prealloc size, provide a shift value to