fuse: honor RLIMIT_FSIZE in fuse_file_fallocate
commit 0cbade024ba501313da3b7e5dd2a188a6bc491b5 upstream.
fstests generic/228 reported this failure that fuse fallocate does not
honor what 'ulimit -f' has set.
This adds the necessary inode_newsize_ok() check.
Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Fixes: 05ba1f0823
("fuse: add FALLOCATE operation")
Cc: <stable@vger.kernel.org> # v3.5
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 7 additions and 0 deletions
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@ -2947,6 +2947,13 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
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}
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}
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if (!(mode & FALLOC_FL_KEEP_SIZE) &&
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offset + length > i_size_read(inode)) {
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err = inode_newsize_ok(inode, offset + length);
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if (err)
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return err;
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}
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if (!(mode & FALLOC_FL_KEEP_SIZE))
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set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
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