From: Eric Biggers <ebiggers@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-api@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Keith Busch <kbusch@kernel.org> Subject: [PATCH v4 8/9] f2fs: support STATX_DIOALIGN Date: Fri, 22 Jul 2022 00:12:27 -0700 [thread overview] Message-ID: <20220722071228.146690-9-ebiggers@kernel.org> (raw) In-Reply-To: <20220722071228.146690-1-ebiggers@kernel.org> From: Eric Biggers <ebiggers@google.com> Add support for STATX_DIOALIGN to f2fs, so that direct I/O alignment restrictions are exposed to userspace in a generic way. Signed-off-by: Eric Biggers <ebiggers@google.com> --- fs/f2fs/file.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 1b452bb75af29e..11d75aa3da185a 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -852,6 +852,21 @@ int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path, stat->btime.tv_nsec = fi->i_crtime.tv_nsec; } + /* + * Return the DIO alignment restrictions if requested. We only return + * this information when requested, since on encrypted files it might + * take a fair bit of work to get if the file wasn't opened recently. + */ + if ((request_mask & STATX_DIOALIGN) && S_ISREG(inode->i_mode)) { + unsigned int bsize = i_blocksize(inode); + + stat->result_mask |= STATX_DIOALIGN; + if (!f2fs_force_buffered_io(inode)) { + stat->dio_mem_align = bsize; + stat->dio_offset_align = bsize; + } + } + flags = fi->i_flags; if (flags & F2FS_COMPR_FL) stat->attributes |= STATX_ATTR_COMPRESSED; -- 2.37.0
WARNING: multiple messages have this Message-ID (diff)
From: Eric Biggers <ebiggers@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: linux-block@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fscrypt@vger.kernel.org, Keith Busch <kbusch@kernel.org>, linux-ext4@vger.kernel.org Subject: [f2fs-dev] [PATCH v4 8/9] f2fs: support STATX_DIOALIGN Date: Fri, 22 Jul 2022 00:12:27 -0700 [thread overview] Message-ID: <20220722071228.146690-9-ebiggers@kernel.org> (raw) In-Reply-To: <20220722071228.146690-1-ebiggers@kernel.org> From: Eric Biggers <ebiggers@google.com> Add support for STATX_DIOALIGN to f2fs, so that direct I/O alignment restrictions are exposed to userspace in a generic way. Signed-off-by: Eric Biggers <ebiggers@google.com> --- fs/f2fs/file.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 1b452bb75af29e..11d75aa3da185a 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -852,6 +852,21 @@ int f2fs_getattr(struct user_namespace *mnt_userns, const struct path *path, stat->btime.tv_nsec = fi->i_crtime.tv_nsec; } + /* + * Return the DIO alignment restrictions if requested. We only return + * this information when requested, since on encrypted files it might + * take a fair bit of work to get if the file wasn't opened recently. + */ + if ((request_mask & STATX_DIOALIGN) && S_ISREG(inode->i_mode)) { + unsigned int bsize = i_blocksize(inode); + + stat->result_mask |= STATX_DIOALIGN; + if (!f2fs_force_buffered_io(inode)) { + stat->dio_mem_align = bsize; + stat->dio_offset_align = bsize; + } + } + flags = fi->i_flags; if (flags & F2FS_COMPR_FL) stat->attributes |= STATX_ATTR_COMPRESSED; -- 2.37.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2022-07-22 7:14 UTC|newest] Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-07-22 7:12 [PATCH v4 0/9] make statx() return DIO alignment information Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 7:12 ` [PATCH v4 1/9] statx: add direct I/O " Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 16:32 ` Darrick J. Wong 2022-07-22 16:32 ` [f2fs-dev] " Darrick J. Wong 2022-07-22 17:31 ` Martin K. Petersen 2022-07-22 17:31 ` [f2fs-dev] " Martin K. Petersen 2022-07-22 7:12 ` [PATCH v4 2/9] vfs: support STATX_DIOALIGN on block devices Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 8:10 ` Christoph Hellwig 2022-07-22 8:10 ` [f2fs-dev] " Christoph Hellwig 2022-07-22 17:32 ` Martin K. Petersen 2022-07-22 17:32 ` [f2fs-dev] " Martin K. Petersen 2022-07-22 7:12 ` [PATCH v4 3/9] fscrypt: change fscrypt_dio_supported() to prepare for STATX_DIOALIGN Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 8:10 ` Christoph Hellwig 2022-07-22 8:10 ` [f2fs-dev] " Christoph Hellwig 2022-07-22 7:12 ` [PATCH v4 4/9] ext4: support STATX_DIOALIGN Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 17:05 ` Theodore Ts'o 2022-07-22 17:05 ` [f2fs-dev] " Theodore Ts'o 2022-07-22 7:12 ` [PATCH v4 5/9] f2fs: move f2fs_force_buffered_io() into file.c Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 7:12 ` [PATCH v4 6/9] f2fs: don't allow DIO reads but not DIO writes Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-24 2:01 ` Jaegeuk Kim 2022-07-24 2:01 ` [f2fs-dev] " Jaegeuk Kim 2022-07-25 18:12 ` Eric Biggers 2022-07-25 18:12 ` [f2fs-dev] " Eric Biggers 2022-07-25 23:58 ` Andreas Dilger 2022-07-31 3:08 ` Jaegeuk Kim 2022-07-31 3:08 ` [f2fs-dev] " Jaegeuk Kim 2022-08-16 0:55 ` Eric Biggers 2022-08-16 0:55 ` Eric Biggers 2022-08-16 9:03 ` [f2fs-dev] " Dave Chinner 2022-08-16 9:03 ` Dave Chinner 2022-08-16 16:42 ` Andreas Dilger 2022-08-19 23:09 ` Eric Biggers 2022-08-19 23:09 ` [f2fs-dev] " Eric Biggers 2022-08-23 3:22 ` Andreas Dilger 2022-08-20 0:06 ` Jaegeuk Kim 2022-08-20 0:06 ` [f2fs-dev] " Jaegeuk Kim 2022-08-20 0:33 ` Eric Biggers 2022-08-20 0:33 ` Eric Biggers 2022-08-21 8:53 ` Christoph Hellwig 2022-08-21 8:53 ` [f2fs-dev] " Christoph Hellwig 2022-07-22 7:12 ` [PATCH v4 7/9] f2fs: simplify f2fs_force_buffered_io() Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 7:12 ` Eric Biggers [this message] 2022-07-22 7:12 ` [f2fs-dev] [PATCH v4 8/9] f2fs: support STATX_DIOALIGN Eric Biggers 2022-07-22 7:12 ` [PATCH v4 9/9] xfs: " Eric Biggers 2022-07-22 7:12 ` [f2fs-dev] " Eric Biggers 2022-07-22 8:11 ` Christoph Hellwig 2022-07-22 8:11 ` [f2fs-dev] " Christoph Hellwig 2022-07-22 16:24 ` Darrick J. Wong 2022-07-22 16:24 ` [f2fs-dev] " Darrick J. Wong 2022-08-26 17:19 ` [PATCH v4 0/9] make statx() return DIO alignment information Jeff Layton 2022-08-26 17:19 ` [f2fs-dev] " Jeff Layton 2022-08-27 7:07 ` Eric Biggers 2022-08-27 7:07 ` [f2fs-dev] " Eric Biggers
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