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FROMLIST: f2fs: support iflag change given the mask

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In f2fs_fileattr_set(),

	if (!fa->flags_valid)
		mask &= FS_COMMON_FL;

In this case, we can set supported flags by mask only instead of BUG_ON.

/* Flags shared betwen flags/xflags */
	(FS_SYNC_FL | FS_IMMUTABLE_FL | FS_APPEND_FL | \
	 FS_NODUMP_FL |	FS_NOATIME_FL | FS_DAX_FL | \
	 FS_PROJINHERIT_FL)

Link: https://lore.kernel.org/linux-f2fs-devel/YJlGU+STYD5geyIc@google.com/
Fixes: 9b1bb01c8a ("f2fs: convert to fileattr")
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Change-Id: I13fdbc68e407decac4ab5b899ef61da2da0e3114
This commit is contained in:
Jaegeuk Kim
2021-05-06 12:11:14 -07:00
committed by Lee Jones
parent 48937ca428
commit 97ea2b6e2a
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/file.c
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@@ -1818,7 +1818,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
struct f2fs_inode_info *fi = F2FS_I(inode);
u32 masked_flags = fi->i_flags & mask;
f2fs_bug_on(F2FS_I_SB(inode), (iflags & ~mask));
/* mask can be shrunk by flags_valid selector */
iflags &= mask;
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))