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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-11 01:35:06 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-11 01:35:06 +0100 |
| commit | 01504f5e9e071f1dde1062e3be15f54d4555308f (patch) | |
| tree | c3878baa9897805711ca9d711d5947bf207ae0b5 /fs/ubifs/Kconfig | |
| parent | Merge branch 'for-linus-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel... (diff) | |
| parent | ubifs: introduce UBIFS_ATIME_SUPPORT to ubifs (diff) | |
| download | linux-01504f5e9e071f1dde1062e3be15f54d4555308f.tar.xz linux-01504f5e9e071f1dde1062e3be15f54d4555308f.zip | |
Merge tag 'upstream-4.4-rc1' of git://git.infradead.org/linux-ubifs
Pull UBI/UBIFS updates from Richard Weinberger:
- access time support for UBIFS by Dongsheng Yang
- random cleanups and bug fixes all over the place
* tag 'upstream-4.4-rc1' of git://git.infradead.org/linux-ubifs:
ubifs: introduce UBIFS_ATIME_SUPPORT to ubifs
ubifs: make ubifs_[get|set]xattr atomic
UBIFS: Delete unnecessary checks before the function call "iput"
UBI: Remove in vain semicolon
UBI: Fastmap: Fix PEB array type
UBIFS: Fix possible memory leak in ubifs_readdir()
fs/ubifs: remove unnecessary new_valid_dev check
ubi: fastmap: Implement produce_free_peb()
UBIFS: print verbose message when rescanning a corrupted node
UBIFS: call dbg_is_power_cut() instead of reading c->dbg->pc_happened
UBI: drop null test before destroy functions
UBI: Update comments to reflect UBI_METAONLY flag
UBI: Fix debug message
UBI: Fix typo in comment
UBI: Fastmap: Simplify expression
UBIFS: fix a typo in comment of ubifs_budget_req
UBIFS: use kmemdup rather than duplicating its implementation
Diffstat (limited to 'fs/ubifs/Kconfig')
| -rw-r--r-- | fs/ubifs/Kconfig | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig index ba66d508006a..7ff7712f284e 100644 --- a/fs/ubifs/Kconfig +++ b/fs/ubifs/Kconfig @@ -35,3 +35,18 @@ config UBIFS_FS_ZLIB default y help Zlib compresses better than LZO but it is slower. Say 'Y' if unsure. + +config UBIFS_ATIME_SUPPORT + bool "Access time support" if UBIFS_FS + depends on UBIFS_FS + default n + help + Originally UBIFS did not support atime, because it looked like a bad idea due + increased flash wear. This option adds atime support and it is disabled by default + to preserve the old behavior. If you enable this option, UBIFS starts updating atime, + which means that file-system read operations will cause writes (inode atime + updates). This may affect file-system performance and increase flash device wear, + so be careful. How often atime is updated depends on the selected strategy: + strictatime is the "heavy", relatime is "lighter", etc. + + If unsure, say 'N' |