diff options
Diffstat (limited to 'package/fuse24/patches/113-DCACHE_BUG.patch')
| -rw-r--r-- | package/fuse24/patches/113-DCACHE_BUG.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/package/fuse24/patches/113-DCACHE_BUG.patch b/package/fuse24/patches/113-DCACHE_BUG.patch new file mode 100644 index 0000000000..fdfbfef511 --- /dev/null +++ b/package/fuse24/patches/113-DCACHE_BUG.patch @@ -0,0 +1,63 @@ +diff -ruN fuse-2.5.3.orig/kernel/dev.c fuse-2.5.3/kernel/dev.c +--- fuse-2.5.3.orig/kernel/dev.c 2006-02-02 19:04:52.000000000 +0200 ++++ fuse-2.5.3/kernel/dev.c 2008-10-23 10:27:53.000000000 +0300 +@@ -512,6 +512,9 @@ + { + unsigned long offset; + int err; ++#ifdef DCACHE_BUG ++ struct vm_area_struct *vma; ++#endif + + unlock_request(cs->req); + fuse_copy_finish(cs); +@@ -523,14 +526,22 @@ + cs->nr_segs --; + } + down_read(¤t->mm->mmap_sem); ++#ifndef DCACHE_BUG + err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0, + &cs->pg, NULL); ++#else ++ err = get_user_pages(current, current->mm, cs->addr, 1, cs->write, 0, ++ &cs->pg, &vma); ++#endif + up_read(¤t->mm->mmap_sem); + if (err < 0) + return err; + BUG_ON(err != 1); + offset = cs->addr % PAGE_SIZE; + cs->mapaddr = kmap_atomic(cs->pg, KM_USER0); ++#ifdef DCACHE_BUG ++ r4k_flush_cache_page(vma, cs->addr); ++#endif + cs->buf = cs->mapaddr + offset; + cs->len = min(PAGE_SIZE - offset, cs->seglen); + cs->seglen -= cs->len; +@@ -545,6 +556,11 @@ + { + unsigned ncpy = min(*size, cs->len); + if (val) { ++#ifdef DCACHE_BUG ++ // patch from mailing list, it is very important, otherwise, ++ // can't mount, or ls mount point will hang ++ flush_cache_all(); ++#endif + if (cs->write) + memcpy(cs->buf, *val, ncpy); + else +diff -ruN fuse-2.5.3.orig/kernel/fuse_i.h fuse-2.5.3/kernel/fuse_i.h +--- fuse-2.5.3.orig/kernel/fuse_i.h 2006-02-02 19:04:52.000000000 +0200 ++++ fuse-2.5.3/kernel/fuse_i.h 2008-10-22 18:03:50.000000000 +0300 +@@ -45,6 +45,10 @@ + # endif + #endif + ++//#if defined(__arm__) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) ++#define DCACHE_BUG ++//#endif ++ + #include "config.h" + #ifndef KERNEL_2_6 + # include <linux/config.h> + |