diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index e13b9deee86..3e47b99a763 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1218,6 +1218,17 @@ do { \ #define EXT4_FREEBLOCKS_WATERMARK 0 #endif +static inline void ext4_update_i_disksize(struct inode *inode, loff_t newsize) +{ + /* + * XXX: replace with spinlock if seen contended -bzzz + */ + down_write(&EXT4_I(inode)->i_data_sem); + if (newsize > EXT4_I(inode)->i_disksize) + EXT4_I(inode)->i_disksize = newsize; + up_write(&EXT4_I(inode)->i_data_sem); + return ; +} /* * Inodes and files operations |