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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2022-10-29 15:54:17 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:09:45 -0400 |
| commit | 1df3e19996a3b29ed82315bf03cb02ac4e4e70ab (patch) | |
| tree | 745b9032df5c61f7b371071cbfd62622a8e4258c /fs/bcachefs/io.h | |
| parent | a10195764901e0a41e64d596de57a957e7f982f0 (diff) | |
| download | lwn-1df3e19996a3b29ed82315bf03cb02ac4e4e70ab.tar.gz lwn-1df3e19996a3b29ed82315bf03cb02ac4e4e70ab.zip | |
bcachefs: BCH_WRITE_SYNC
This adds a new flag for the write path, BCH_WRITE_SYNC, and switches
the O_DIRECT write path to use it when we're not running asynchronously.
It runs the btree update after the write in the original thread's
context instead of a kworker, cutting context switches in half.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/io.h')
| -rw-r--r-- | fs/bcachefs/io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/bcachefs/io.h b/fs/bcachefs/io.h index 730c7a5bcce8..9322484135f9 100644 --- a/fs/bcachefs/io.h +++ b/fs/bcachefs/io.h @@ -39,6 +39,7 @@ enum bch_write_flags { __BCH_WRITE_WROTE_DATA_INLINE, __BCH_WRITE_FROM_INTERNAL, __BCH_WRITE_CHECK_ENOSPC, + __BCH_WRITE_SYNC, __BCH_WRITE_MOVE, __BCH_WRITE_IN_WORKER, __BCH_WRITE_DONE, @@ -55,6 +56,7 @@ enum bch_write_flags { #define BCH_WRITE_WROTE_DATA_INLINE (1U << __BCH_WRITE_WROTE_DATA_INLINE) #define BCH_WRITE_FROM_INTERNAL (1U << __BCH_WRITE_FROM_INTERNAL) #define BCH_WRITE_CHECK_ENOSPC (1U << __BCH_WRITE_CHECK_ENOSPC) +#define BCH_WRITE_SYNC (1U << __BCH_WRITE_SYNC) #define BCH_WRITE_MOVE (1U << __BCH_WRITE_MOVE) /* Internal: */ |