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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-03-17 17:16:35 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2015-04-10 15:08:46 -0700 |
| commit | 3c6c2bebef79999b1827041696dc1881e637e3af (patch) | |
| tree | 32391cbf119529871a6663ed62d5ab0b2e94a09e /fs/f2fs/inode.c | |
| parent | 83e21db6939dd6ff50a81d54aaef4b44847aefff (diff) | |
| download | linux-3c6c2bebef79999b1827041696dc1881e637e3af.tar.bz2 | |
f2fs: avoid punch_hole overhead when releasing volatile data
This patch is to avoid some punch_hole overhead when releasing volatile data.
If volatile data was not written yet, we just can make the first page as zero.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/inode.c')
| -rw-r--r-- | fs/f2fs/inode.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index b5087443be41..bb5800969bcc 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -51,6 +51,13 @@ static void __get_inode_rdev(struct inode *inode, struct f2fs_inode *ri) } } +static bool __written_first_block(struct f2fs_inode *ri) +{ + if (ri->i_addr[0] != NEW_ADDR && ri->i_addr[0] != NULL_ADDR) + return true; + return false; +} + static void __set_inode_rdev(struct inode *inode, struct f2fs_inode *ri) { if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode)) { @@ -143,6 +150,9 @@ static int do_read_inode(struct inode *inode) /* get rdev by using inline_info */ __get_inode_rdev(inode, ri); + if (__written_first_block(ri)) + set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN); + f2fs_put_page(node_page, 1); stat_inc_inline_inode(inode); |