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Subject[PATCH v4 3/3] f2fs-tools: support project quota
Date
From: Chao Yu <yuchao0@huawei.com>

This patch introduce a new option 'project_quota' for enabling project
quota functionality during mkfs.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
v4: fix to change F2FS_FEATURE_PRJQUOTA to little endian before using.
fsck/mount.c | 4 ++++
include/f2fs_fs.h | 4 ++++
mkfs/f2fs_format.c | 3 +++
mkfs/f2fs_format_main.c | 10 ++++++++++
4 files changed, 21 insertions(+)

diff --git a/fsck/mount.c b/fsck/mount.c
index f41709e..0453f64 100644
--- a/fsck/mount.c
+++ b/fsck/mount.c
@@ -90,6 +90,7 @@ void print_inode_info(struct f2fs_inode *inode, int name)

DISP_u16(inode, i_extra_isize);
DISP_u16(inode, i_padding);
+ DISP_u32(inode, i_projid);

DISP_u32(inode, i_addr[ofs]); /* Pointers to data blocks */
DISP_u32(inode, i_addr[ofs + 1]); /* Pointers to data blocks */
@@ -287,6 +288,9 @@ void print_sb_state(struct f2fs_super_block *sb)
if (f & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
MSG(0, "%s", " extra attribute");
}
+ if (f & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) {
+ MSG(0, "%s", " project quota");
+ }
MSG(0, "\n");
MSG(0, "Info: superblock encrypt level = %d, salt = ",
sb->encryption_level);
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 1499da7..380bc2a 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -472,6 +472,7 @@ enum {
#define F2FS_FEATURE_BLKZONED 0x0002
#define F2FS_FEATURE_ATOMIC_WRITE 0x0004
#define F2FS_FEATURE_EXTRA_ATTR 0x0008
+#define F2FS_FEATURE_PRJQUOTA 0x0010

#define MAX_VOLUME_NAME 512

@@ -624,6 +625,8 @@ struct f2fs_extent {
(offsetof(struct f2fs_inode, i_extra_end) - \
offsetof(struct f2fs_inode, i_extra_isize)) \

+#define F2FS_DEF_PROJID 0 /* default project ID */
+
#define MAX_INLINE_DATA(node) (sizeof(__le32) * \
(DEF_ADDRS_PER_INODE_INLINE_XATTR - \
get_extra_isize(node) - \
@@ -679,6 +682,7 @@ struct f2fs_inode {
struct {
__le16 i_extra_isize; /* extra inode attribute size */
__le16 i_padding; /* padding */
+ __le32 i_projid; /* project id */
__le32 i_extra_end[0]; /* for attribute size calculation */
};
__le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */
diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
index 0f8a810..8e068e9 100644
--- a/mkfs/f2fs_format.c
+++ b/mkfs/f2fs_format.c
@@ -929,6 +929,9 @@ static int f2fs_write_root_inode(void)
cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE);
}

+ if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA))
+ raw_node->i.i_projid = cpu_to_le32(F2FS_DEF_PROJID);
+
data_blk_nor = get_sb(main_blkaddr) +
c.cur_seg[CURSEG_HOT_DATA] * c.blks_per_seg;
raw_node->i.i_addr[get_extra_isize(raw_node)] = cpu_to_le32(data_blk_nor);
diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
index 1a75a6f..39e8e3f 100644
--- a/mkfs/f2fs_format_main.c
+++ b/mkfs/f2fs_format_main.c
@@ -82,6 +82,8 @@ static void parse_feature(const char *features)
c.feature |= cpu_to_le32(F2FS_FEATURE_ENCRYPT);
} else if (!strcmp(features, "extra_attr")) {
c.feature |= cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR);
+ } else if (!strcmp(features, "project_quota")) {
+ c.feature |= cpu_to_le32(F2FS_FEATURE_PRJQUOTA);
} else {
MSG(0, "Error: Wrong features\n");
mkfs_usage();
@@ -161,6 +163,14 @@ static void f2fs_parse_options(int argc, char *argv[])
}
}

+ if (!(c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR))) {
+ if (c.feature & cpu_to_le32(F2FS_FEATURE_PRJQUOTA)) {
+ MSG(0, "\tInfo: project quota feature should always been"
+ "enabled with extra attr feature\n");
+ exit(1);
+ }
+ }
+
if (optind >= argc) {
MSG(0, "\tError: Device not specified\n");
mkfs_usage();
--
2.13.0.90.g1eb437020
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