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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2022-07-21 15:41:29 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2022-08-07 14:36:24 -0400 |
| commit | e9f93182d0a0f127921932a8ea054463e8373eaa (patch) | |
| tree | 67a351dd5ff86018fa26756c20bc213acc376e0f | |
| parent | 29944eb7d59f43147fc6729b0cb8b88f1b750fb5 (diff) | |
bcachefs: Add an O_DIRECT option (for userspace)
Sometimes we see IO errors due to O_DIRECT alignment issues - having an
option to use buffered IO will be helpful.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
| -rw-r--r-- | fs/bcachefs/opts.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h index 2f5f49cb774d..5b8586ecb374 100644 --- a/fs/bcachefs/opts.h +++ b/fs/bcachefs/opts.h @@ -341,6 +341,11 @@ enum opt_type { OPT_BOOL(), \ BCH2_NO_SB_OPT, false, \ NULL, "Don't open device in exclusive mode") \ + x(direct_io, u8, \ + OPT_FS|OPT_MOUNT, \ + OPT_BOOL(), \ + BCH2_NO_SB_OPT, true, \ + NULL, "Use O_DIRECT (userspace only)") \ x(sb, u64, \ OPT_MOUNT, \ OPT_UINT(0, S64_MAX), \ |