diff options
Diffstat (limited to 'fs/jffs2')
-rw-r--r-- | fs/jffs2/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/jffs2/Kconfig b/fs/jffs2/Kconfig index 0e79c34090..3bf01cd031 100644 --- a/fs/jffs2/Kconfig +++ b/fs/jffs2/Kconfig @@ -17,3 +17,15 @@ config JFFS2_NAND depends on FS_JFFS2 help Enable support for NAND flash as the backing store for JFFS2. + +config SYS_JFFS2_SORT_FRAGMENTS + bool "Enable JFFS2 sorting of filesystem fragments (SLOW!)" + depends on FS_JFFS2 + help + If you boot from a partition which is mounted writable, and you + update your boot environment by replacing single files on that + partition, you should also define CONFIG_SYS_JFFS2_SORT_FRAGMENTS. + Scanning the JFFS2 filesystem takes *much* longer with this feature, + though. Sorting is done while inserting into the fragment list, + which is more or less a bubble sort. That algorithm is known to be + O(n^2), thus you should really consider if you can avoid it! |