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fuse: Pass correct lend value to filemap_write_and_wait_range()

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The acceptable maximum value of lend parameter in
filemap_write_and_wait_range() is LLONG_MAX rather than -1. And there is
also some logic depending on LLONG_MAX check in write_cache_pages(). So
let's pass LLONG_MAX to filemap_write_and_wait_range() in
fuse_writeback_range() instead.

Fixes: 59bda8ecee ("fuse: flush extending writes")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Cc: <stable@vger.kernel.org> # v5.15
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Xie Yongji 2021-11-22 17:05:31 +08:00 • committed by Miklos Szeredi
parent 3e2b6fdbdc
commit e388164ea3
1 changed files with 1 additions and 1 deletions
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2
fs/fuse/file.c
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@ -2910,7 +2910,7 @@ fuse_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
static int fuse_writeback_range(struct inode *inode, loff_t start, loff_t end)
{
int err = filemap_write_and_wait_range(inode->i_mapping, start, -1);
int err = filemap_write_and_wait_range(inode->i_mapping, start, LLONG_MAX);
if (!err)
fuse_sync_writes(inode);