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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 22:50:15 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-26 22:50:15 (GMT) |
| commit | 1085db4aa68ce960f8c987a67a104ba834022fef (patch) | |
| tree | 3e40d92b9a8126670f755d78a14a36c64b7d9995 /fs/f2fs/segment.h | |
| parent | 3c834b6f41fa21a48389b13c3bf63aa8df1d7080 (diff) | |
| parent | 7dd690c82029ed34aafdb58ce7463cdead69abb5 (diff) | |
| download | linux-1085db4aa68ce960f8c987a67a104ba834022fef.tar.xz | |
Merge tag 'f2fs-for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs update from Jaegeuk Kim:
"[Major bug fixes]
o Store device file information correctly
o Fix -EIO handling with respect to power-off-recovery
o Allocate blocks with global locks
o Fix wrong calculation of the SSR cost
[Cleanups]
o Get rid of fake on-stack dentries
[Enhancement]
o Support (un)freeze_fs
o Enhance the f2fs_gc flow
o Support 32-bit binary execution on 64-bit kernel"
* tag 'f2fs-for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (29 commits)
f2fs: avoid build warning
f2fs: add compat_ioctl to provide backward compatability
f2fs: fix calculation of max. gc cost in the SSR case
f2fs: clarify and enhance the f2fs_gc flow
f2fs: optimize the return condition for has_not_enough_free_secs
f2fs: make an accessor to get sections for particular block type
f2fs: mark gc_thread as NULL when thread creation is failed
f2fs: name gc task as per the block device
f2fs: remove unnecessary gc option check and balance_fs
f2fs: remove repeated F2FS_SET_SB_DIRT call
f2fs: when check superblock failed, try to check another superblock
f2fs: use F2FS_BLKSIZE to judge bloksize and page_cache_size
f2fs: add device name in debugfs
f2fs: stop repeated checking if cp is needed
f2fs: avoid balanc_fs during evict_inode
f2fs: remove the use of page_cache_release
f2fs: fix typo mistake for data_version description
f2fs: reorganize code for ra_node_page
f2fs: avoid redundant call to has_not_enough_free_secs in f2fs_gc
f2fs: add un/freeze_fs into super_operations
...
Diffstat (limited to 'fs/f2fs/segment.h')
| -rw-r--r-- | fs/f2fs/segment.h | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 66a288a..552dadb 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -450,29 +450,16 @@ static inline bool need_SSR(struct f2fs_sb_info *sbi) return (free_sections(sbi) < overprovision_sections(sbi)); } -static inline int get_ssr_segment(struct f2fs_sb_info *sbi, int type) +static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi, int freed) { - struct curseg_info *curseg = CURSEG_I(sbi, type); - return DIRTY_I(sbi)->v_ops->get_victim(sbi, - &(curseg)->next_segno, BG_GC, type, SSR); -} - -static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi) -{ - unsigned int pages_per_sec = (1 << sbi->log_blocks_per_seg) * - sbi->segs_per_sec; - int node_secs = ((get_pages(sbi, F2FS_DIRTY_NODES) + pages_per_sec - 1) - >> sbi->log_blocks_per_seg) / sbi->segs_per_sec; - int dent_secs = ((get_pages(sbi, F2FS_DIRTY_DENTS) + pages_per_sec - 1) - >> sbi->log_blocks_per_seg) / sbi->segs_per_sec; + int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES); + int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS); if (sbi->por_doing) return false; - if (free_sections(sbi) <= (node_secs + 2 * dent_secs + - reserved_sections(sbi))) - return true; - return false; + return ((free_sections(sbi) + freed) <= (node_secs + 2 * dent_secs + + reserved_sections(sbi))); } static inline int utilization(struct f2fs_sb_info *sbi) |