lkml.org 
[lkml]   [2019]   [Jan]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH v2] f2fs: export FS_NOCOW_FL flag to user
This exports pin_file status to user.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
v2:
- use F2FS_NOCOW_FL (aka FS_NOCOW_FL)

fs/f2fs/f2fs.h | 3 ++-
fs/f2fs/file.c | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 12fabd6735dd..9286ec381453 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -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 */
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index ae2b45e75847..0d461321edfc 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -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;

--
2.19.0.605.g01d371f741-goog
\
 
 \ /
  Last update: 2019-01-04 21:45    [W:0.062 / U:0.184 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site