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f2fs: export FS_NOCOW_FL flag to user

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This exports pin_file status to user.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2019-01-03 17:19:08 -08:00
parent 36c5733f95
commit 5d539245cb
2 changed files with 4 additions and 1 deletions
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3
fs/f2fs/f2fs.h
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@ -2301,11 +2301,12 @@ static inline void f2fs_change_bit(unsigned int nr, char *addr)
#define F2FS_EXTENTS_FL 0x00080000 /* Inode uses extents */
#define F2FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */
#define F2FS_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
#define F2FS_NOCOW_FL 0x00800000 /* Do not cow file */
#define F2FS_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
#define F2FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
#define F2FS_RESERVED_FL 0x80000000 /* reserved for ext4 lib */
#define F2FS_FL_USER_VISIBLE 0x304BDFFF /* User visible flags */
#define F2FS_FL_USER_VISIBLE 0x30CBDFFF /* User visible flags */
#define F2FS_FL_USER_MODIFIABLE 0x204BC0FF /* User modifiable flags */
/* Flags we can manipulate with through F2FS_IOC_FSSETXATTR */

2
fs/f2fs/file.c
View File

@ -1651,6 +1651,8 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
flags |= F2FS_ENCRYPT_FL;
if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
flags |= F2FS_INLINE_DATA_FL;
if (is_inode_flag_set(inode, FI_PIN_FILE))
flags |= F2FS_NOCOW_FL;
flags &= F2FS_FL_USER_VISIBLE;