From: Anna Schumaker <Anna.Schumaker@netapp.com> To: <linux-nfs@vger.kernel.org>, <linux-btrfs@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>, <linux-api@vger.kernel.org>, <zab@zabbo.net>, <viro@zeniv.linux.org.uk>, <clm@fb.com>, <darrick.wong@oracle.com>, <mtk.manpages@gmail.com>, <andros@netapp.com>, <hch@infradead.org> Subject: [PATCH v2 9/9] btrfs: btrfs_copy_file_range() only supports reflinks Date: Fri, 11 Sep 2015 16:30:22 -0400 [thread overview] Message-ID: <1442003423-6884-10-git-send-email-Anna.Schumaker@Netapp.com> (raw) In-Reply-To: <1442003423-6884-1-git-send-email-Anna.Schumaker@Netapp.com> Reject copies that don't have the COPY_FR_REFLINK flag set. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> --- fs/btrfs/ioctl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 4311554..2e14b91 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -44,6 +44,7 @@ #include <linux/uuid.h> #include <linux/btrfs.h> #include <linux/uaccess.h> +#include <linux/copy.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -3848,6 +3849,9 @@ ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in, { ssize_t ret; + if (!(flags & COPY_FR_REFLINK)) + return -EOPNOTSUPP; + ret = btrfs_clone_files(file_out, file_in, pos_in, len, pos_out); if (ret == 0) ret = len; -- 2.5.1
WARNING: multiple messages have this Message-ID (diff)
From: Anna Schumaker <Anna.Schumaker@netapp.com> To: linux-nfs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-api@vger.kernel.org, zab@zabbo.net, viro@zeniv.linux.org.uk, clm@fb.com, darrick.wong@oracle.com, mtk.manpages@gmail.com, andros@netapp.com, hch@infradead.org Subject: [PATCH v2 9/9] btrfs: btrfs_copy_file_range() only supports reflinks Date: Fri, 11 Sep 2015 16:30:22 -0400 [thread overview] Message-ID: <1442003423-6884-10-git-send-email-Anna.Schumaker@Netapp.com> (raw) In-Reply-To: <1442003423-6884-1-git-send-email-Anna.Schumaker@Netapp.com> Reject copies that don't have the COPY_FR_REFLINK flag set. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> --- fs/btrfs/ioctl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 4311554..2e14b91 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -44,6 +44,7 @@ #include <linux/uuid.h> #include <linux/btrfs.h> #include <linux/uaccess.h> +#include <linux/copy.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -3848,6 +3849,9 @@ ssize_t btrfs_copy_file_range(struct file *file_in, loff_t pos_in, { ssize_t ret; + if (!(flags & COPY_FR_REFLINK)) + return -EOPNOTSUPP; + ret = btrfs_clone_files(file_out, file_in, pos_in, len, pos_out); if (ret == 0) ret = len; -- 2.5.1
next prev parent reply other threads:[~2015-09-11 20:30 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-09-11 20:30 [PATCH v2 0/9] VFS: In-kernel copy system call Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` [PATCH v2 1/9] vfs: add copy_file_range syscall and vfs helper Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-22 11:44 ` David Sterba 2015-09-22 11:44 ` David Sterba 2015-09-22 18:27 ` Anna Schumaker 2015-09-22 18:27 ` Anna Schumaker 2015-09-22 18:27 ` Anna Schumaker 2015-09-11 20:30 ` [PATCH v2 2/9] x86: add sys_copy_file_range to syscall tables Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` [PATCH v2 3/9] btrfs: add .copy_file_range file operation Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` [PATCH v2 4/9] vfs: Copy should check len after file open mode Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-22 11:47 ` David Sterba 2015-09-22 11:47 ` David Sterba 2015-09-11 20:30 ` [PATCH v2 5/9] vfs: Copy shouldn't forbid ranges inside the same file Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-22 11:48 ` David Sterba 2015-09-11 20:30 ` [PATCH v2 6/9] vfs: Copy should use file_out rather than file_in Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` [PATCH v2 7/9] vfs: Remove copy_file_range mountpoint checks Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-22 11:52 ` David Sterba 2015-09-11 20:30 ` [PATCH v2 8/9] vfs: copy_file_range() can do a pagecache copy with splice Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-15 3:32 ` Darrick J. Wong 2015-09-15 15:58 ` Anna Schumaker 2015-09-15 15:58 ` Anna Schumaker 2015-09-15 15:58 ` Anna Schumaker 2015-09-15 16:38 ` Darrick J. Wong 2015-09-15 16:38 ` Darrick J. Wong 2015-09-15 17:01 ` Austin S Hemmelgarn 2015-09-15 17:01 ` Austin S Hemmelgarn 2015-09-11 20:30 ` Anna Schumaker [this message] 2015-09-11 20:30 ` [PATCH v2 9/9] btrfs: btrfs_copy_file_range() only supports reflinks Anna Schumaker 2015-09-22 11:56 ` David Sterba 2015-09-11 20:30 ` [PATCH v2 10/9] copy_file_range.2: New page documenting copy_file_range() Anna Schumaker 2015-09-11 20:30 ` Anna Schumaker 2015-09-13 7:50 ` Michael Kerrisk (man-pages) 2015-09-14 18:32 ` Darrick J. Wong 2015-09-14 18:32 ` Darrick J. Wong 2015-09-22 20:10 ` Anna Schumaker 2015-09-22 20:10 ` Anna Schumaker 2015-09-22 20:10 ` Anna Schumaker 2015-09-22 20:30 ` Pádraig Brady 2015-09-22 20:30 ` Pádraig Brady 2015-09-28 17:23 ` Darrick J. Wong 2015-09-14 19:02 ` Austin S Hemmelgarn 2015-09-22 20:30 ` Anna Schumaker 2015-09-22 20:30 ` Anna Schumaker
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