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authorHauke Mehrtens <hauke@hauke-m.de>2012-01-15 21:18:34 +0000
committerHauke Mehrtens <hauke@hauke-m.de>2012-01-15 21:18:34 +0000
commit034cf5643f7e0c2e2466e8e9ff1d4e9fad7fe6ec (patch)
tree87503a64bc69e384733b723ff3679349e1f4a00c /target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch
parentc3d134af127ff4666447fc798b0c4ebe52f571bf (diff)
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brcm47xx: add support for kernel 3.2
SVN-Revision: 29756
Diffstat (limited to 'target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch b/target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch
new file mode 100644
index 0000000..6465e74
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.2/302-kmod-fuse-dcache-bug-fuse.patch
@@ -0,0 +1,46 @@
+--- a/fs/fuse/dev.c
++++ b/fs/fuse/dev.c
+@@ -651,11 +651,20 @@ static int fuse_copy_fill(struct fuse_co
+ return lock_request(cs->fc, cs->req);
+ }
+
++#ifdef DCACHE_BUG
++extern void (*fuse_flush_cache_all)(void);
++#endif
++
+ /* Do as much copy to/from userspace buffer as we can */
+ static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
+ {
+ 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
++ fuse_flush_cache_all();
++#endif
+ if (cs->write)
+ memcpy(cs->buf, *val, ncpy);
+ else
+--- a/fs/fuse/fuse_i.h
++++ b/fs/fuse/fuse_i.h
+@@ -8,6 +8,7 @@
+
+ #ifndef _FS_FUSE_I_H
+ #define _FS_FUSE_I_H
++#define DCACHE_BUG
+
+ #include <linux/fuse.h>
+ #include <linux/fs.h>
+--- a/fs/fuse/inode.c
++++ b/fs/fuse/inode.c
+@@ -1211,6 +1211,10 @@ static int __init fuse_init(void)
+ printk(KERN_INFO "fuse init (API version %i.%i)\n",
+ FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION);
+
++#ifdef DCACHE_BUG
++ printk("fuse init DCACHE_BUG workaround enabled\n");
++#endif
++
+ INIT_LIST_HEAD(&fuse_conn_list);
+ res = fuse_fs_init();
+ if (res)