F2FS inode may have different max size, so change to use per-inode maxbytes.
Signed-off-by: Chengguang Xu <[email protected]> --- fs/f2fs/data.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b9721c8f116c..b330c6a27b14 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1838,6 +1838,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, int ret = 0; bool compr_cluster = false; unsigned int cluster_size = F2FS_I(inode)->i_cluster_size; + loff_t maxbytes; if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) { ret = f2fs_precache_extents(inode); @@ -1845,6 +1846,10 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, return ret; } + maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS; + if (len > maxbytes || (maxbytes - len) < start) + len = maxbytes - start; + ret = fiemap_prep(inode, fieinfo, start, &len, FIEMAP_FLAG_XATTR); if (ret) return ret; -- 2.27.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
