From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Cc: kernel-team@android.com, Daniel Rosenberg <drosen@google.com>
Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix wrong check on F2FS_IOC_FSSETXATTR
Date: Fri, 6 Mar 2020 16:24:40 -0800 [thread overview]
Message-ID: <20200307002440.GA7944@google.com> (raw)
In-Reply-To: <20200305234822.178708-1-jaegeuk@kernel.org>
This fixes the incorrect failure when enabling project quota on casefold-enabled
file.
Cc: Daniel Rosenberg <drosen@google.com>
Cc: kernel-team@android.com
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
log from v1:
- fix the last check
fs/f2fs/file.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b443dc2947c7..07f636732199 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1794,12 +1794,15 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
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));
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
return -EPERM;
- if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) {
+ if ((iflags ^ masked_flags) & F2FS_CASEFOLD_FL) {
if (!f2fs_sb_has_casefold(F2FS_I_SB(inode)))
return -EOPNOTSUPP;
if (!f2fs_empty_dir(inode))
@@ -1813,9 +1816,9 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
return -EINVAL;
}
- if ((iflags ^ fi->i_flags) & F2FS_COMPR_FL) {
+ if ((iflags ^ masked_flags) & F2FS_COMPR_FL) {
if (S_ISREG(inode->i_mode) &&
- (fi->i_flags & F2FS_COMPR_FL || i_size_read(inode) ||
+ (masked_flags & F2FS_COMPR_FL || i_size_read(inode) ||
F2FS_HAS_BLOCKS(inode)))
return -EINVAL;
if (iflags & F2FS_NOCOMP_FL)
@@ -1832,8 +1835,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
set_compress_context(inode);
}
}
- if ((iflags ^ fi->i_flags) & F2FS_NOCOMP_FL) {
- if (fi->i_flags & F2FS_COMPR_FL)
+ if ((iflags ^ masked_flags) & F2FS_NOCOMP_FL) {
+ if (masked_flags & F2FS_COMPR_FL)
return -EINVAL;
}
--
2.25.1.481.gfbce0eb801-goog
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WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Cc: Daniel Rosenberg <drosen@google.com>, kernel-team@android.com
Subject: Re: [PATCH v2] f2fs: fix wrong check on F2FS_IOC_FSSETXATTR
Date: Fri, 6 Mar 2020 16:24:40 -0800 [thread overview]
Message-ID: <20200307002440.GA7944@google.com> (raw)
In-Reply-To: <20200305234822.178708-1-jaegeuk@kernel.org>
This fixes the incorrect failure when enabling project quota on casefold-enabled
file.
Cc: Daniel Rosenberg <drosen@google.com>
Cc: kernel-team@android.com
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
log from v1:
- fix the last check
fs/f2fs/file.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index b443dc2947c7..07f636732199 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1794,12 +1794,15 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
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));
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
return -EPERM;
- if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) {
+ if ((iflags ^ masked_flags) & F2FS_CASEFOLD_FL) {
if (!f2fs_sb_has_casefold(F2FS_I_SB(inode)))
return -EOPNOTSUPP;
if (!f2fs_empty_dir(inode))
@@ -1813,9 +1816,9 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
return -EINVAL;
}
- if ((iflags ^ fi->i_flags) & F2FS_COMPR_FL) {
+ if ((iflags ^ masked_flags) & F2FS_COMPR_FL) {
if (S_ISREG(inode->i_mode) &&
- (fi->i_flags & F2FS_COMPR_FL || i_size_read(inode) ||
+ (masked_flags & F2FS_COMPR_FL || i_size_read(inode) ||
F2FS_HAS_BLOCKS(inode)))
return -EINVAL;
if (iflags & F2FS_NOCOMP_FL)
@@ -1832,8 +1835,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
set_compress_context(inode);
}
}
- if ((iflags ^ fi->i_flags) & F2FS_NOCOMP_FL) {
- if (fi->i_flags & F2FS_COMPR_FL)
+ if ((iflags ^ masked_flags) & F2FS_NOCOMP_FL) {
+ if (masked_flags & F2FS_COMPR_FL)
return -EINVAL;
}
--
2.25.1.481.gfbce0eb801-goog
next prev parent reply other threads:[~2020-03-07 0:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-05 23:48 [f2fs-dev] [PATCH] f2fs: fix wrong check on F2FS_IOC_FSSETXATTR Jaegeuk Kim
2020-03-05 23:48 ` Jaegeuk Kim
2020-03-06 1:39 ` [f2fs-dev] " Chao Yu
2020-03-06 1:39 ` Chao Yu
2020-03-06 1:42 ` Daniel Rosenberg via Linux-f2fs-devel
2020-03-06 1:42 ` Daniel Rosenberg
2020-03-07 0:24 ` Jaegeuk Kim [this message]
2020-03-07 0:24 ` [PATCH v2] " Jaegeuk Kim
2020-03-09 8:24 ` [f2fs-dev] " Chao Yu
2020-03-09 8:24 ` Chao Yu
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