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authorChristoph Hellwig <hch@lst.de>2020-05-23 10:30:13 +0300
committerTheodore Ts'o <tytso@mit.edu>2020-06-04 06:16:55 +0300
commitcddf8a2c4a8286ae60fc866eab59c8bc524e93a0 (patch)
treec3f18f1243c85c5f3d67aa2d4f7afc44f3feccb8 /fs/ocfs2
parent2732881894714f545ffac42dad7ba7730069874d (diff)
downloadlinux-cddf8a2c4a8286ae60fc866eab59c8bc524e93a0.tar.xz
fs: move fiemap range validation into the file systems instances
Replace fiemap_check_flags with a fiemap_prep helper that also takes the inode and mapped range, and performs the sanity check and truncation previously done in fiemap_check_range. This way the validation is inside the file system itself and thus properly works for the stacked overlayfs case as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Link: https://lore.kernel.org/r/20200523073016.2944131-7-hch@lst.de Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/extent_map.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index e3e2d1b2af51..3744179b73fa 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -746,7 +746,8 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
struct buffer_head *di_bh = NULL;
struct ocfs2_extent_rec rec;
- ret = fiemap_check_flags(fieinfo, OCFS2_FIEMAP_FLAGS);
+ ret = fiemap_prep(inode, fieinfo, map_start, &map_len,
+ OCFS2_FIEMAP_FLAGS);
if (ret)
return ret;