diff options
Diffstat (limited to 'include/linux/falloc.h')
| -rw-r--r-- | include/linux/falloc.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/include/linux/falloc.h b/include/linux/falloc.h index f3f0b97b1675..7c38c6b76b60 100644 --- a/include/linux/falloc.h +++ b/include/linux/falloc.h @@ -25,12 +25,19 @@ struct space_resv { #define FS_IOC_UNRESVSP64 _IOW('X', 43, struct space_resv) #define FS_IOC_ZERO_RANGE _IOW('X', 57, struct space_resv) -#define FALLOC_FL_SUPPORTED_MASK (FALLOC_FL_KEEP_SIZE | \ - FALLOC_FL_PUNCH_HOLE | \ - FALLOC_FL_COLLAPSE_RANGE | \ - FALLOC_FL_ZERO_RANGE | \ - FALLOC_FL_INSERT_RANGE | \ - FALLOC_FL_UNSHARE_RANGE) +/* + * Mask of all supported fallocate modes. Only one can be set at a time. + * + * In addition to the mode bit, the mode argument can also encode flags. + * FALLOC_FL_KEEP_SIZE is the only supported flag so far. + */ +#define FALLOC_FL_MODE_MASK (FALLOC_FL_ALLOCATE_RANGE | \ + FALLOC_FL_PUNCH_HOLE | \ + FALLOC_FL_COLLAPSE_RANGE | \ + FALLOC_FL_ZERO_RANGE | \ + FALLOC_FL_INSERT_RANGE | \ + FALLOC_FL_UNSHARE_RANGE | \ + FALLOC_FL_WRITE_ZEROES) /* on ia32 l_start is on a 32-bit boundary */ #if defined(CONFIG_X86_64) |