diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 44b0d418143c..494d443e9fc9 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1729,6 +1729,10 @@ struct ext4_sb_info { */ struct work_struct s_sb_upd_work; + /* Atomic write unit values in bytes */ + unsigned int s_awu_min; + unsigned int s_awu_max; + /* Ext4 fast commit sub transaction ID */ atomic_t s_fc_subtid; @@ -3855,6 +3859,12 @@ static inline int ext4_buffer_uptodate(struct buffer_head *bh) return buffer_uptodate(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; +} + extern int ext4_block_write_begin(handle_t *handle, struct folio *folio, loff_t pos, unsigned len, get_block_t *get_block); |