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-rw-r--r--fs/ubifs/Kconfig15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ubifs/Kconfig b/fs/ubifs/Kconfig
index ba66d5080..7ff7712f2 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'