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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2015-02-17 00:58:56 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-17 02:56:03 +0100
commitd475c6346a38aef3058eba96867bfa726a3cc940 (patch)
tree4d69d0f50a4a8e649a751dca8f710485848c0249 /fs/ext2/file.c
parentvfs,ext2: introduce IS_DAX(inode) (diff)
downloadlinux-d475c6346a38aef3058eba96867bfa726a3cc940.tar.xz
linux-d475c6346a38aef3058eba96867bfa726a3cc940.zip
dax,ext2: replace XIP read and write with DAX I/O
Use the generic AIO infrastructure instead of custom read and write methods. In addition to giving us support for AIO, this adds the missing locking between read() and truncate(). Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Andreas Dilger <andreas.dilger@intel.com> Cc: Boaz Harrosh <boaz@plexistor.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Dave Chinner <david@fromorbit.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ext2/file.c')
-rw-r--r--fs/ext2/file.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 7c87b22a7228..a247123fd798 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -81,8 +81,10 @@ const struct file_operations ext2_file_operations = {
#ifdef CONFIG_EXT2_FS_XIP
const struct file_operations ext2_xip_file_operations = {
.llseek = generic_file_llseek,
- .read = xip_file_read,
- .write = xip_file_write,
+ .read = new_sync_read,
+ .write = new_sync_write,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
.unlocked_ioctl = ext2_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = ext2_compat_ioctl,