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f2fs: add flags for inline xattrs

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This patch adds basic inode flags for inline xattrs, F2FS_INLINE_XATTR,
and add a mount option, inline_xattr, which is enabled when xattr is set.

If the mount option is enabled, all the files are marked with the inline_xattrs
flag.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2013-08-08 15:16:22 +09:00
parent 6e6b978c32
commit 444c580f7e
4 changed files with 37 additions and 1 deletions
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18
fs/f2fs/f2fs.h
View File

@ -29,6 +29,7 @@
#define F2FS_MOUNT_XATTR_USER 0x00000010
#define F2FS_MOUNT_POSIX_ACL 0x00000020
#define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040
#define F2FS_MOUNT_INLINE_XATTR 0x00000080
#define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
@ -892,6 +893,7 @@ enum {
FI_NO_ALLOC, /* should not allocate any blocks */
FI_UPDATE_DIR, /* should update inode block for consistency */
FI_DELAY_IPUT, /* used for the recovery */
FI_INLINE_XATTR, /* used for inline xattr */
};
static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
@ -924,6 +926,22 @@ static inline int cond_clear_inode_flag(struct f2fs_inode_info *fi, int flag)
return 0;
}
static inline void get_inline_info(struct f2fs_inode_info *fi,
struct f2fs_inode *ri)
{
if (ri->i_inline & F2FS_INLINE_XATTR)
set_inode_flag(fi, FI_INLINE_XATTR);
}
static inline void set_raw_inline(struct f2fs_inode_info *fi,
struct f2fs_inode *ri)
{
ri->i_inline = 0;
if (is_inode_flag_set(fi, FI_INLINE_XATTR))
ri->i_inline |= F2FS_INLINE_XATTR;
}
static inline int f2fs_readonly(struct super_block *sb)
{
return sb->s_flags & MS_RDONLY;

2
fs/f2fs/inode.c
View File

@ -85,6 +85,7 @@ static int do_read_inode(struct inode *inode)
fi->i_advise = ri->i_advise;
fi->i_pino = le32_to_cpu(ri->i_pino);
get_extent_info(&fi->ext, ri->i_ext);
get_inline_info(fi, ri);
f2fs_put_page(node_page, 1);
return 0;
}
@ -164,6 +165,7 @@ void update_inode(struct inode *inode, struct page *node_page)
ri->i_size = cpu_to_le64(i_size_read(inode));
ri->i_blocks = cpu_to_le64(inode->i_blocks);
set_raw_extent(&F2FS_I(inode)->ext, &ri->i_ext);
set_raw_inline(F2FS_I(inode), ri);
ri->i_atime = cpu_to_le64(inode->i_atime.tv_sec);
ri->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec);

14
fs/f2fs/super.c
View File

@ -47,6 +47,7 @@ enum {
Opt_noacl,
Opt_active_logs,
Opt_disable_ext_identify,
Opt_inline_xattr,
Opt_err,
};
@ -59,6 +60,7 @@ static match_table_t f2fs_tokens = {
{Opt_noacl, "noacl"},
{Opt_active_logs, "active_logs=%u"},
{Opt_disable_ext_identify, "disable_ext_identify"},
{Opt_inline_xattr, "inline_xattr"},
{Opt_err, NULL},
};
@ -238,11 +240,18 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_nouser_xattr:
clear_opt(sbi, XATTR_USER);
break;
case Opt_inline_xattr:
set_opt(sbi, INLINE_XATTR);
break;
#else
case Opt_nouser_xattr:
f2fs_msg(sb, KERN_INFO,
"nouser_xattr options not supported");
break;
case Opt_inline_xattr:
f2fs_msg(sb, KERN_INFO,
"inline_xattr options not supported");
break;
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
case Opt_noacl:
@ -292,6 +301,9 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
set_inode_flag(fi, FI_NEW_INODE);
if (test_opt(F2FS_SB(sb), INLINE_XATTR))
set_inode_flag(fi, FI_INLINE_XATTR);
return &fi->vfs_inode;
}
@ -444,6 +456,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",user_xattr");
else
seq_puts(seq, ",nouser_xattr");
if (test_opt(sbi, INLINE_XATTR))
seq_puts(seq, ",inline_xattr");
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
if (test_opt(sbi, POSIX_ACL))

4
include/linux/f2fs_fs.h
View File

@ -144,10 +144,12 @@ struct f2fs_extent {
#define ADDRS_PER_BLOCK 1018 /* Address Pointers in a Direct Block */
#define NIDS_PER_BLOCK 1018 /* Node IDs in an Indirect Block */
#define F2FS_INLINE_XATTR 0x01 /* file inline xattr flag */
struct f2fs_inode {
__le16 i_mode; /* file mode */
__u8 i_advise; /* file hints */
__u8 i_reserved; /* reserved */
__u8 i_inline; /* file inline flags */
__le32 i_uid; /* user ID */
__le32 i_gid; /* group ID */
__le32 i_links; /* links count */