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bf32177a1d
This patch was introduced in commit r16412 for the brcm47xx target only and then moved to generic in commit r32395. It was initially added because of ticket #5186 and should fix some problems with fuse file systems and MIPS caches. The commit comment in r32395 says that this a generic problem in MIPS CPUs, but does not name any specifics about that. There was a fix added to kernel 2.6.21 in commit commit 7575a49f20 "[MIPS] Implement flush_anon_page()." that should fix this problem, but that was already available before both commits were done to OpenWrt. I just tested fuse with ntfs.3g without this patch on a BCM4704 (BMIPS3300 V0.6) SoC and haven't seen any problems. Someone reported that removing this patch improves some fuse operations by 5 times on some modern MIPS cores. My test was only a simple "dd if=/dev/zero of=/mnt/zero bs=5000" to an USB stick. This patch removes the patch to OpenWrt, because I assume that it is not needed any more and Felix, the orginal author, also thinks so. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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