From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [PATCH v2] f2fs: export FS_NOCOW_FL flag to user
Date: Fri, 4 Jan 2019 12:44:49 -0800 [thread overview]
Message-ID: <20190104204449.GD57873@jaegeuk-macbookpro.roam.corp.google.com> (raw)
In-Reply-To: <20190104041945.31802-1-jaegeuk@kernel.org>
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
next prev parent reply other threads:[~2019-01-04 20:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-04 4:19 [PATCH] f2fs: export pin_file flag to user Jaegeuk Kim
2019-01-04 9:00 ` [f2fs-dev] " Chao Yu
2019-01-04 20:33 ` Jaegeuk Kim
2019-01-04 20:44 ` Jaegeuk Kim [this message]
2019-01-07 1:39 ` [f2fs-dev] [PATCH v2] f2fs: export FS_NOCOW_FL " Chao Yu
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