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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2010-05-04 17:27:05 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2010-05-04 17:29:05 +0200 |
| commit | 5306293c9cd2caf41849cc909281bda628bb989e (patch) | |
| tree | 3be4e8231e2772c8a43ddbef5c6a72c20b3054bb /fs/logfs/logfs.h | |
| parent | nfsd4: use local variable in nfs4svc_encode_compoundres (diff) | |
| parent | Linux 2.6.34-rc6 (diff) | |
| download | linux-5306293c9cd2caf41849cc909281bda628bb989e.tar.xz linux-5306293c9cd2caf41849cc909281bda628bb989e.zip | |
Merge commit 'v2.6.34-rc6'
Conflicts:
fs/nfsd/nfs4callback.c
Diffstat (limited to 'fs/logfs/logfs.h')
| -rw-r--r-- | fs/logfs/logfs.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index 129779431373..0a3df1a0c936 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 */ @@ -587,6 +592,7 @@ void move_page_to_btree(struct page *page); int logfs_init_mapping(struct super_block *sb); void logfs_sync_area(struct logfs_area *area); void logfs_sync_segments(struct super_block *sb); +void freeseg(struct super_block *sb, u32 segno); /* area handling */ int logfs_init_areas(struct super_block *sb); @@ -721,4 +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 |