diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 12:22:30 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 12:22:30 -0800 |
| commit | 7bf2fbcdf5300d8b19fa36e37b5bcd8326c95c1d (patch) | |
| tree | 8b93ecf5b8eabdd873052d6330cccb011005456e /fs/ext4 | |
| parent | adf96e6f514a9e87aa3d26c8c9c03eca5be53df0 (diff) | |
| parent | 8e919d13048cd5acaadb2b15b48acbfb8832d3c2 (diff) | |
Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 regression fix from Theodore Ts'o:
"This fixes a real brown paper bag bug which causes ext4 to choke on
file systems larger than 512GB."
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix extent status tree regression for file systems > 512GB
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/extents_status.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h index cf83e77b16cb..f190dfe969da 100644 --- a/fs/ext4/extents_status.h +++ b/fs/ext4/extents_status.h @@ -20,10 +20,13 @@ #define es_debug(fmt, ...) no_printk(fmt, ##__VA_ARGS__) #endif -#define EXTENT_STATUS_WRITTEN 0x80000000 /* written extent */ -#define EXTENT_STATUS_UNWRITTEN 0x40000000 /* unwritten extent */ -#define EXTENT_STATUS_DELAYED 0x20000000 /* delayed extent */ -#define EXTENT_STATUS_HOLE 0x10000000 /* hole */ +/* + * These flags live in the high bits of extent_status.es_pblk + */ +#define EXTENT_STATUS_WRITTEN (1ULL << 63) +#define EXTENT_STATUS_UNWRITTEN (1ULL << 62) +#define EXTENT_STATUS_DELAYED (1ULL << 61) +#define EXTENT_STATUS_HOLE (1ULL << 60) #define EXTENT_STATUS_FLAGS (EXTENT_STATUS_WRITTEN | \ EXTENT_STATUS_UNWRITTEN | \ @@ -58,22 +61,22 @@ extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk, static inline int ext4_es_is_written(struct extent_status *es) { - return (es->es_pblk & EXTENT_STATUS_WRITTEN); + return (es->es_pblk & EXTENT_STATUS_WRITTEN) != 0; } static inline int ext4_es_is_unwritten(struct extent_status *es) { - return (es->es_pblk & EXTENT_STATUS_UNWRITTEN); + return (es->es_pblk & EXTENT_STATUS_UNWRITTEN) != 0; } static inline int ext4_es_is_delayed(struct extent_status *es) { - return (es->es_pblk & EXTENT_STATUS_DELAYED); + return (es->es_pblk & EXTENT_STATUS_DELAYED) != 0; } static inline int ext4_es_is_hole(struct extent_status *es) { - return (es->es_pblk & EXTENT_STATUS_HOLE); + return (es->es_pblk & EXTENT_STATUS_HOLE) != 0; } static inline ext4_fsblk_t ext4_es_status(struct extent_status *es) |