From 9458915036ddef536d4abdd01b9b3c067f7d7a9f Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 16 Nov 2023 14:25:55 +0800 Subject: f2fs: use shared inode lock during f2fs_fiemap() f2fs_fiemap() will only traverse metadata of inode, let's use shared inode lock for it to avoid unnecessary race on inode lock. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/f2fs') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 4e42b5f24deb..42f0f6184f73 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1992,7 +1992,7 @@ int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, if (ret) return ret; - inode_lock(inode); + inode_lock_shared(inode); maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS; if (start > maxbytes) { @@ -2112,7 +2112,7 @@ out: if (ret == 1) ret = 0; - inode_unlock(inode); + inode_unlock_shared(inode); return ret; } -- cgit