diff options
Diffstat (limited to 'meta/recipes-devtools/e2fsprogs/e2fsprogs/cache_inode.patch')
| -rw-r--r-- | meta/recipes-devtools/e2fsprogs/e2fsprogs/cache_inode.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/meta/recipes-devtools/e2fsprogs/e2fsprogs/cache_inode.patch b/meta/recipes-devtools/e2fsprogs/e2fsprogs/cache_inode.patch deleted file mode 100644 index f9ef8e5f26..0000000000 --- a/meta/recipes-devtools/e2fsprogs/e2fsprogs/cache_inode.patch +++ /dev/null @@ -1,52 +0,0 @@ -The comment to this function says: - -""" - * Stupid algorithm --- we now just search forward starting from the - * goal. Should put in a smarter one someday.... -""" - -This adds in a rather hacky algorthim which starts where we finished -searching previously using a static variable rather than starting -from scratch if a hint isn't provided. - -This was after noticing that mkfs.ext4 -F X -d Y was spending *lots* -of time in ext2fs_new_block2 called from ext2fs_bmap from ext2fs_file_write(). - -Numbers wise, this took a core-image-sato-sdk mkfs time from over -8 minutes to around 35 seconds. - -Upstream-Status: Pending - -RP 2015/02/20 - -Index: e2fsprogs-1.42.9/lib/ext2fs/alloc.c -=================================================================== ---- e2fsprogs-1.42.9.orig/lib/ext2fs/alloc.c -+++ e2fsprogs-1.42.9/lib/ext2fs/alloc.c -@@ -160,6 +160,8 @@ errcode_t ext2fs_new_inode(ext2_filsys f - return 0; - } - -+static blk64_t last_goal = 0; -+ - /* - * Stupid algorithm --- we now just search forward starting from the - * goal. Should put in a smarter one someday.... -@@ -170,6 +172,9 @@ errcode_t ext2fs_new_block2(ext2_filsys - blk64_t i; - int c_ratio; - -+ if (!goal) -+ goal = last_goal; -+ - EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); - - if (!map) -@@ -194,6 +199,7 @@ errcode_t ext2fs_new_block2(ext2_filsys - - if (!ext2fs_fast_test_block_bitmap2(map, i)) { - *ret = i; -+ last_goal = i; - return 0; - } - i = (i + c_ratio) & ~(c_ratio - 1); |