diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 12:31:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-04-21 12:31:12 -0700 |
| commit | 255f41c59558a346d65a2012420a7573e36dc584 (patch) | |
| tree | a802e21e60c7e342ad72319853b64e214091b6a9 /fs/logfs/logfs.h | |
| parent | 9befb55ef51ad69dd67e279b0533d4cbc5e4c6c0 (diff) | |
| parent | b6349ac89eacb813f6963f7263da05bc3f483351 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs
* git://git.kernel.org/pub/scm/linux/kernel/git/joern/logfs:
[LogFS] Split large truncated into smaller chunks
[LogFS] Set s_bdi
[LogFS] Prevent mempool_destroy NULL pointer dereference
[LogFS] Move assertion
[LogFS] Plug 8 byte information leak
[LogFS] Prevent memory corruption on large deletes
[LogFS] Remove unused method
Fix trivial conflict with added header includes in fs/logfs/super.c
Diffstat (limited to 'fs/logfs/logfs.h')
| -rw-r--r-- | fs/logfs/logfs.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index b84b0eec602..0a3df1a0c93 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -257,10 +257,14 @@ struct logfs_shadow { * struct shadow_tree * @new: shadows where old_ofs==0, indexed by new_ofs * @old: shadows where old_ofs!=0, indexed by old_ofs + * @segment_map: bitfield of segments containing shadows + * @no_shadowed_segment: number of segments containing shadows */ struct shadow_tree { struct btree_head64 new; struct btree_head64 old; + struct btree_head32 segment_map; + int no_shadowed_segments; }; struct object_alias_item { @@ -305,13 +309,14 @@ typedef int write_alias_t(struct super_block *sb, u64 ino, u64 bix, level_t level, int child_no, __be64 val); struct logfs_block_ops { void (*write_block)(struct logfs_block *block); - gc_level_t (*block_level)(struct logfs_block *block); void (*free_block)(struct super_block *sb, struct logfs_block*block); int (*write_alias)(struct super_block *sb, struct logfs_block *block, write_alias_t *write_one_alias); }; +#define MAX_JOURNAL_ENTRIES 256 + struct logfs_super { struct mtd_info *s_mtd; /* underlying device */ struct block_device *s_bdev; /* underlying device */ @@ -378,7 +383,7 @@ struct logfs_super { u32 s_journal_ec[LOGFS_JOURNAL_SEGS]; /* journal erasecounts */ u64 s_last_version; struct logfs_area *s_journal_area; /* open journal segment */ - __be64 s_je_array[64]; + __be64 s_je_array[MAX_JOURNAL_ENTRIES]; int s_no_je; int s_sum_index; /* for the 12 summaries */ @@ -722,4 +727,10 @@ static inline struct logfs_area *get_area(struct super_block *sb, return logfs_super(sb)->s_area[(__force u8)gc_level]; } +static inline void logfs_mempool_destroy(mempool_t *pool) +{ + if (pool) + mempool_destroy(pool); +} + #endif |