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authorJaegeuk Kim <jaegeuk.kim@samsung.com>2013-03-21 15:21:57 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-03-27 09:16:25 +0900
commit953a3e27e10fc6acb480801ea47197d0270d735e (patch)
tree8ff66198318ee79464b9ac47e8ee091acf140c20 /fs/f2fs/namei.c
parentfa37241743ac26ba0ac6f54579158c2fae310a5c (diff)
downloadlinux-953a3e27e10fc6acb480801ea47197d0270d735e.tar.bz2
f2fs: fix to give correct parent inode number for roll forward
When we recover fsync'ed data after power-off-recovery, we should guarantee that any parent inode number should be correct for each direct inode blocks. So, let's make the following rules. - The fsync should do checkpoint to all the inodes that were experienced hard links. - So, the only normal files can be recovered by roll-forward. Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/namei.c')
-rw-r--r--fs/f2fs/namei.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index d4a171b1a68b..7c6e219a479c 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -15,6 +15,7 @@
#include <linux/ctype.h>
#include "f2fs.h"
+#include "node.h"
#include "xattr.h"
#include "acl.h"
@@ -99,7 +100,7 @@ static int is_multimedia_file(const unsigned char *s, const char *sub)
/*
* Set multimedia files as cold files for hot/cold data separation
*/
-static inline void set_cold_file(struct f2fs_sb_info *sbi, struct inode *inode,
+static inline void set_cold_files(struct f2fs_sb_info *sbi, struct inode *inode,
const unsigned char *name)
{
int i;
@@ -108,7 +109,7 @@ static inline void set_cold_file(struct f2fs_sb_info *sbi, struct inode *inode,
int count = le32_to_cpu(sbi->raw_super->extension_count);
for (i = 0; i < count; i++) {
if (!is_multimedia_file(name, extlist[i])) {
- F2FS_I(inode)->i_advise |= FADVISE_COLD_BIT;
+ set_cold_file(inode);
break;
}
}
@@ -130,7 +131,7 @@ static int f2fs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
return PTR_ERR(inode);
if (!test_opt(sbi, DISABLE_EXT_IDENTIFY))
- set_cold_file(sbi, inode, dentry->d_name.name);
+ set_cold_files(sbi, inode, dentry->d_name.name);
inode->i_op = &f2fs_file_inode_operations;
inode->i_fop = &f2fs_file_operations;
@@ -173,6 +174,12 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir,
if (err)
goto out;
+ /*
+ * This file should be checkpointed during fsync.
+ * We lost i_pino from now on.
+ */
+ set_cp_file(inode);
+
d_instantiate(dentry, inode);
return 0;
out:
@@ -425,7 +432,6 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
}
old_inode->i_ctime = CURRENT_TIME;
- set_inode_flag(F2FS_I(old_inode), FI_NEED_CP);
mark_inode_dirty(old_inode);
f2fs_delete_entry(old_entry, old_page, NULL);