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authorMiklos Szeredi2021-10-22 17:03:03 +0200
committerMiklos Szeredi2021-10-28 09:45:32 +0200
commit484ce65715b06aead8c4901f01ca32c5a240bc71 (patch)
tree3ff2d4ed09ce03f4c151d41a5d19c169e1b9ec4d /fs/fuse
parentd347739a0e760e9f370aa021da3feacc37d3e511 (diff)
fuse: fix attr version comparison in fuse_read_update_size()
A READ request returning a short count is taken as indication of EOF, and the cached file size is modified accordingly. Fix the attribute version checking to allow for changes to fc->attr_version on other inodes. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c3fd88da2a0b..ddd563fda648 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -787,7 +787,7 @@ static void fuse_read_update_size(struct inode *inode, loff_t size,
struct fuse_inode *fi = get_fuse_inode(inode);
spin_lock(&fi->lock);
- if (attr_ver == fi->attr_version && size < inode->i_size &&
+ if (attr_ver >= fi->attr_version && size < inode->i_size &&
!test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) {
fi->attr_version = atomic64_inc_return(&fc->attr_version);
i_size_write(inode, size);