diff options
| -rw-r--r-- | fs/ext4/ext4.h | 3 | ||||
| -rw-r--r-- | fs/ext4/ioctl.c | 6 |
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index aa2da07ee7fb..550a1bfe98d1 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -405,6 +405,9 @@ struct flex_groups { /* Flags that are appropriate for non-directories/regular files. */ #define EXT4_OTHER_FLMASK (EXT4_NODUMP_FL | EXT4_NOATIME_FL) +/* The only flags that should be swapped */ +#define EXT4_FL_SHOULD_SWAP (EXT4_HUGE_FILE_FL | EXT4_EXTENTS_FL) + /* Mask out flags that are inappropriate for the given type of inode. */ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags) { diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 88f3b7e3c44e..99bfe22f2a71 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -61,6 +61,7 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2) loff_t isize; struct ext4_inode_info *ei1; struct ext4_inode_info *ei2; + unsigned long tmp; ei1 = EXT4_I(inode1); ei2 = EXT4_I(inode2); @@ -71,7 +72,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2) memswap(&inode1->i_mtime, &inode2->i_mtime, sizeof(inode1->i_mtime)); memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data)); - memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags)); + tmp = ei1->i_flags & EXT4_FL_SHOULD_SWAP; + ei1->i_flags = (ei2->i_flags & EXT4_FL_SHOULD_SWAP) | + (ei1->i_flags & ~EXT4_FL_SHOULD_SWAP); + ei2->i_flags = tmp | (ei2->i_flags & ~EXT4_FL_SHOULD_SWAP); memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize)); ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS); ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS); |