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| author | Chao Yu <yuchao0@huawei.com> | 2017-06-14 23:00:56 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-07-04 02:11:48 -0700 |
| commit | 0eb0adadf2e49d82bc4ecd65ec3bb69251f7564c (patch) | |
| tree | d359aa474ee6aebd7402471c0bca82af248b1cc3 /fs/f2fs/inode.c | |
| parent | 663f387b713089463e37761bfa2561972c7f45ff (diff) | |
| download | linux-next-0eb0adadf2e49d82bc4ecd65ec3bb69251f7564c.tar.gz | |
f2fs: measure inode.i_blocks as generic filesystem
Both in memory or on disk, generic filesystems record i_blocks with
512bytes sized sector count, also VFS sub module such as disk quota
follows this rule, but f2fs records it with 4096bytes sized block
count, this difference leads to that once we use dquota's function
which inc/dec iblocks, it will make i_blocks of f2fs being inconsistent
between in memory and on disk.
In order to resolve this issue, this patch changes to make in-memory
i_blocks of f2fs recording sector count instead of block count,
meanwhile leaving on-disk i_blocks recording block count.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inode.c')
| -rw-r--r-- | fs/f2fs/inode.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 868d71436ebc..1ff5bd418d87 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -16,6 +16,7 @@ #include "f2fs.h" #include "node.h" +#include "segment.h" #include <trace/events/f2fs.h> @@ -129,7 +130,7 @@ static int do_read_inode(struct inode *inode) i_gid_write(inode, le32_to_cpu(ri->i_gid)); set_nlink(inode, le32_to_cpu(ri->i_links)); inode->i_size = le64_to_cpu(ri->i_size); - inode->i_blocks = le64_to_cpu(ri->i_blocks); + inode->i_blocks = SECTOR_FROM_BLOCK(le64_to_cpu(ri->i_blocks)); inode->i_atime.tv_sec = le64_to_cpu(ri->i_atime); inode->i_ctime.tv_sec = le64_to_cpu(ri->i_ctime); @@ -267,7 +268,7 @@ int update_inode(struct inode *inode, struct page *node_page) ri->i_gid = cpu_to_le32(i_gid_read(inode)); ri->i_links = cpu_to_le32(inode->i_nlink); ri->i_size = cpu_to_le64(i_size_read(inode)); - ri->i_blocks = cpu_to_le64(inode->i_blocks); + ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks)); if (et) { read_lock(&et->lock); |