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f2fs: fix to cover f2fs_inline_data_fiemap with inode_lock

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This patch fix to cover f2fs_inline_data_fiemap with inode_lock in order
to make that interface avoiding race with mapping change.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2018-01-11 14:37:35 +08:00 committed by Jaegeuk Kim
parent 7dff55d27e
commit f1b43d4cd5
1 changed files with 3 additions and 3 deletions
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6
fs/f2fs/data.c
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@ -1154,14 +1154,14 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
if (ret) if (ret)
return ret; return ret;
inode_lock(inode);
if (f2fs_has_inline_data(inode)) { if (f2fs_has_inline_data(inode)) {
ret = f2fs_inline_data_fiemap(inode, fieinfo, start, len); ret = f2fs_inline_data_fiemap(inode, fieinfo, start, len);
if (ret != -EAGAIN) if (ret != -EAGAIN)
return ret; goto out;
} }
inode_lock(inode);
if (logical_to_blk(inode, len) == 0) if (logical_to_blk(inode, len) == 0)
len = blk_to_logical(inode, 1); len = blk_to_logical(inode, 1);