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2013 Apr 16
2
[PATCH v2] Btrfs: return error when we specify wrong start to defrag
...orce compress flag but also FS''s incompat flags. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> --- v2: make changelog more clearly. fs/btrfs/ioctl.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 69cd80d..262d9db 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1152,8 +1152,11 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, u64 new_align = ~((u64)128 * 1024 - 1); struct page **pages = NULL; - if (extent_thresh == 0) - extent_thresh = 256 * 1024; + if (isize == 0) + return 0;...