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| author | Tom Rini <trini@konsulko.com> | 2022-10-29 03:26:59 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-11-10 17:45:54 +0300 |
| commit | 3b677dcd9d6b1fcaa9affd2289744756bcda1165 (patch) | |
| tree | c219dbeab2bedf15d65835df0c0b7f4cc7296ace /fs | |
| parent | e020b974cef577cc29a799cffd172e16245c6569 (diff) | |
| download | u-boot-3b677dcd9d6b1fcaa9affd2289744756bcda1165.tar.xz | |
fs: jffs2: Move SYS_JFFS2_SORT_FRAGMENTS to Kconfig
Move the symbol SYS_JFFS2_SORT_FRAGMENTS to Kconfig and use the only
remaining part of doc/README.JFFS2 that is still relevant and useful to
the help for this option.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'fs')
| -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! |