mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
47 lines
1.2 KiB
Diff
47 lines
1.2 KiB
Diff
--- a/fs/fuse/dev.c
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+++ b/fs/fuse/dev.c
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@@ -647,11 +647,20 @@ static int fuse_copy_fill(struct fuse_co
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return lock_request(cs->fc, cs->req);
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}
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+#ifdef DCACHE_BUG
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+extern void (*fuse_flush_cache_all)(void);
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+#endif
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+
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/* Do as much copy to/from userspace buffer as we can */
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static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size)
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{
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unsigned ncpy = min(*size, cs->len);
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if (val) {
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+#ifdef DCACHE_BUG
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+ // patch from mailing list, it is very important, otherwise,
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+ // can't mount, or ls mount point will hang
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+ fuse_flush_cache_all();
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+#endif
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if (cs->write)
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memcpy(cs->buf, *val, ncpy);
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else
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--- a/fs/fuse/fuse_i.h
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+++ b/fs/fuse/fuse_i.h
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@@ -8,6 +8,7 @@
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#ifndef _FS_FUSE_I_H
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#define _FS_FUSE_I_H
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+#define DCACHE_BUG
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#include <linux/fuse.h>
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#include <linux/fs.h>
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--- a/fs/fuse/inode.c
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+++ b/fs/fuse/inode.c
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@@ -1199,6 +1199,10 @@ static int __init fuse_init(void)
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printk(KERN_INFO "fuse init (API version %i.%i)\n",
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FUSE_KERNEL_VERSION, FUSE_KERNEL_MINOR_VERSION);
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+#ifdef DCACHE_BUG
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+ printk("fuse init DCACHE_BUG workaround enabled\n");
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+#endif
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+
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INIT_LIST_HEAD(&fuse_conn_list);
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res = fuse_fs_init();
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if (res)
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