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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
commit | 4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9 (patch) | |
tree | 7ee50e6ccf13f75f02fd343cf90750cbd9950194 /fs/btrfs/block-rsv.h | |
parent | Releasing progress-linux version 6.1.82-1~progress6.99u1. (diff) | |
download | linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.tar.xz linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.zip |
Merging upstream version 6.1.85.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/btrfs/block-rsv.h')
-rw-r--r-- | fs/btrfs/block-rsv.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/btrfs/block-rsv.h b/fs/btrfs/block-rsv.h index 578c3497a..df87c4949 100644 --- a/fs/btrfs/block-rsv.h +++ b/fs/btrfs/block-rsv.h @@ -101,4 +101,36 @@ static inline bool btrfs_block_rsv_full(const struct btrfs_block_rsv *rsv) return data_race(rsv->full); } +/* + * Get the reserved mount of a block reserve in a context where getting a stale + * value is acceptable, instead of accessing it directly and trigger data race + * warning from KCSAN. + */ +static inline u64 btrfs_block_rsv_reserved(struct btrfs_block_rsv *rsv) +{ + u64 ret; + + spin_lock(&rsv->lock); + ret = rsv->reserved; + spin_unlock(&rsv->lock); + + return ret; +} + +/* + * Get the size of a block reserve in a context where getting a stale value is + * acceptable, instead of accessing it directly and trigger data race warning + * from KCSAN. + */ +static inline u64 btrfs_block_rsv_size(struct btrfs_block_rsv *rsv) +{ + u64 ret; + + spin_lock(&rsv->lock); + ret = rsv->size; + spin_unlock(&rsv->lock); + + return ret; +} + #endif /* BTRFS_BLOCK_RSV_H */ |