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| author | Theodore Ts'o <tytso@mit.edu> | 2012-09-27 15:29:33 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-09-27 15:29:33 +0200 |
| commit | bbdd68086ca4a8976226e23efd08e2058d34dd81 (patch) | |
| tree | f45c2127c20ac3f61bceab999169c60d23b78cd9 | |
| parent | ext4: remove redundant offset check in mext_check_arguments() (diff) | |
| download | linux-bbdd68086ca4a8976226e23efd08e2058d34dd81.tar.xz linux-bbdd68086ca4a8976226e23efd08e2058d34dd81.zip | |
fs: reserve fallocate flag codepoint
As discussed at the Plumber's Conference, reserve the bit 0x04 in
fallocate() to prevent collisions with a commonly used out-of-tree
patch which implements the no-hide-stale feature.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | include/linux/falloc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/falloc.h b/include/linux/falloc.h index 73e0b628e058..d39b824a780c 100644 --- a/include/linux/falloc.h +++ b/include/linux/falloc.h @@ -3,6 +3,7 @@ #define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */ #define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */ +#define FALLOC_FL_NO_HIDE_STALE 0x04 /* reserved codepoint */ #ifdef __KERNEL__ |