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authorMiklos Szeredi <mszeredi@suse.cz>2011-02-25 14:44:58 +0100
committerMiklos Szeredi <mszeredi@suse.cz>2011-02-25 14:44:58 +0100
commit8d56addd70c7c0626502569e22cc8fce49ae39f5 (patch)
tree43e5e51dfa7a1b7e566cb235d44d5991e0c806d0 /fs
parent5a18ec176c934ca1bc9dc61580a5e0e90a9b5733 (diff)
fuse: fix truncate after open
Commit e1181ee6 "vfs: pass struct file to do_truncate on O_TRUNC opens" broke the behavior of open(O_TRUNC|O_RDONLY) in fuse. Fuse assumed that when called from open, a truncate() will be done, not an ftruncate(). Fix by restoring the old behavior, based on the ATTR_OPEN flag. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs')
-rw-r--r--fs/fuse/dir.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index bfed8447ed80..83543b5ff941 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1283,8 +1283,11 @@ static int fuse_do_setattr(struct dentry *entry, struct iattr *attr,
if (err)
return err;
- if ((attr->ia_valid & ATTR_OPEN) && fc->atomic_o_trunc)
- return 0;
+ if (attr->ia_valid & ATTR_OPEN) {
+ if (fc->atomic_o_trunc)
+ return 0;
+ file = NULL;
+ }
if (attr->ia_valid & ATTR_SIZE)
is_truncate = true;