diff options
author | Ritesh Harjani (IBM) <ritesh.list@gmail.com> | 2025-05-16 01:20:50 +0530 |
---|---|---|
committer | Theodore Ts'o <tytso@mit.edu> | 2025-05-20 10:31:12 -0400 |
commit | 1c972b1d13dde34c9897d991283e2c54209b44e9 (patch) | |
tree | f22e562208dfb6a69ffaf31e1ab96574a13485c5 | |
parent | 9fa6121684dad974c8c2b2aceb0df2b27f0627fe (diff) |
ext4: Check if inode uses extents in ext4_inode_can_atomic_write()
EXT4 only supports doing atomic write on inodes which uses extents, so
add a check in ext4_inode_can_atomic_write() which gets called during
open.
Reviewed-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://patch.msgid.link/86bb502c979398a736ab371d8f35f6866a477f6c.1747337952.git.ritesh.list@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
-rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 923580be3cd6..bc2deb5bfe77 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3870,7 +3870,9 @@ static inline int ext4_buffer_uptodate(struct buffer_head *bh) static inline bool ext4_inode_can_atomic_write(struct inode *inode) { - return S_ISREG(inode->i_mode) && EXT4_SB(inode->i_sb)->s_awu_min > 0; + return S_ISREG(inode->i_mode) && + ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS) && + EXT4_SB(inode->i_sb)->s_awu_min > 0; } extern int ext4_block_write_begin(handle_t *handle, struct folio *folio, |