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authorChao Yu <yuchao0@huawei.com>2017-07-25 19:01:41 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2017-08-01 02:48:32 +0300
commit5c57132eaf5265937e46340bfbfb97ffb078c423 (patch)
tree66d113156b37e09e6b82e2eece25638eab86f269 /fs/f2fs/f2fs.h
parenta6d3a479ae082173c6102eba0e502cc439dacf21 (diff)
downloadlinux-5c57132eaf5265937e46340bfbfb97ffb078c423.tar.xz
f2fs: support project quota
This patch adds to support plain project quota. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d0682fd4c690..d486539086b6 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -91,6 +91,7 @@ extern char *fault_name[FAULT_MAX];
#define F2FS_MOUNT_LFS 0x00040000
#define F2FS_MOUNT_USRQUOTA 0x00080000
#define F2FS_MOUNT_GRPQUOTA 0x00100000
+#define F2FS_MOUNT_PRJQUOTA 0x00200000
#define clear_opt(sbi, option) ((sbi)->mount_opt.opt &= ~F2FS_MOUNT_##option)
#define set_opt(sbi, option) ((sbi)->mount_opt.opt |= F2FS_MOUNT_##option)
@@ -114,6 +115,7 @@ struct f2fs_mount_info {
#define F2FS_FEATURE_BLKZONED 0x0002
#define F2FS_FEATURE_ATOMIC_WRITE 0x0004
#define F2FS_FEATURE_EXTRA_ATTR 0x0008
+#define F2FS_FEATURE_PRJQUOTA 0x0010
#define F2FS_HAS_FEATURE(sb, mask) \
((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0)
@@ -570,6 +572,7 @@ struct f2fs_inode_info {
struct rw_semaphore i_mmap_sem;
int i_extra_isize; /* size of extra space located in i_addr */
+ kprojid_t i_projid; /* id for project quota */
};
static inline void get_extent_info(struct extent_info *ext,
@@ -1887,6 +1890,20 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
*addr ^= mask;
}
+#define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL))
+#define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL)
+#define F2FS_FL_INHERITED (FS_PROJINHERIT_FL)
+
+static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags)
+{
+ if (S_ISDIR(mode))
+ return flags;
+ else if (S_ISREG(mode))
+ return flags & F2FS_REG_FLMASK;
+ else
+ return flags & F2FS_OTHER_FLMASK;
+}
+
/* used for f2fs_inode_info->flags */
enum {
FI_NEW_INODE, /* indicate newly allocated inode */
@@ -1916,6 +1933,7 @@ enum {
FI_NO_PREALLOC, /* indicate skipped preallocated blocks */
FI_HOT_DATA, /* indicate file is hot */
FI_EXTRA_ATTR, /* indicate file has extra attribute */
+ FI_PROJ_INHERIT, /* indicate file inherits projectid */
};
static inline void __mark_inode_dirty_flag(struct inode *inode,
@@ -2239,6 +2257,12 @@ static inline int get_extra_isize(struct inode *inode)
(offsetof(struct f2fs_inode, i_extra_end) - \
offsetof(struct f2fs_inode, i_extra_isize)) \
+#define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr))
+#define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \
+ ((offsetof(typeof(*f2fs_inode), field) + \
+ sizeof((f2fs_inode)->field)) \
+ <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \
+
/*
* file.c
*/
@@ -2836,6 +2860,11 @@ static inline int f2fs_sb_has_extra_attr(struct super_block *sb)
return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_EXTRA_ATTR);
}
+static inline int f2fs_sb_has_project_quota(struct super_block *sb)
+{
+ return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_PRJQUOTA);
+}
+
#ifdef CONFIG_BLK_DEV_ZONED
static inline int get_blkz_type(struct f2fs_sb_info *sbi,
struct block_device *bdev, block_t blkaddr)