generic: drop 3.14

[openwrt.git] / target / linux / generic / patches-3.14 / 903-debloat_direct_io.patch

diff --git a/target/linux/generic/patches-3.14/903-debloat_direct_io.patch b/target/linux/generic/patches-3.14/903-debloat_direct_io.patch
deleted file mode 100644 (file)
index 8154763..0000000
--- a/target/linux/generic/patches-3.14/903-debloat_direct_io.patch
+++ /dev/null
@@ -1,84 +0,0 @@
---- a/fs/Kconfig
-+++ b/fs/Kconfig
-@@ -62,6 +62,11 @@ config FILE_LOCKING
-           for filesystems like NFS and for the flock() system
-           call. Disabling this option saves about 11k.
- 
-+config DIRECT_IO
-+      bool "Enable O_DIRECT support" if EXPERT
-+      depends on BLOCK
-+      default y
-+
- source "fs/notify/Kconfig"
- 
- source "fs/quota/Kconfig"
---- a/fs/Makefile
-+++ b/fs/Makefile
-@@ -14,7 +14,8 @@ obj-y :=     open.o read_write.o file_table.
-               stack.o fs_struct.o statfs.o
- 
- ifeq ($(CONFIG_BLOCK),y)
--obj-y +=      buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o
-+obj-y +=      buffer.o bio.o block_dev.o mpage.o ioprio.o
-+obj-$(CONFIG_DIRECT_IO) += direct-io.o
- else
- obj-y +=      no-block.o
- endif
---- a/include/linux/fs.h
-+++ b/include/linux/fs.h
-@@ -2557,12 +2557,26 @@ enum {
-       DIO_SKIP_HOLES  = 0x02,
- };
- 
-+#ifdef CONFIG_DIRECT_IO
- void dio_end_io(struct bio *bio, int error);
- 
- ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
-       struct block_device *bdev, const struct iovec *iov, loff_t offset,
-       unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
-       dio_submit_t submit_io, int flags);
-+#else
-+static inline void dio_end_io(struct bio *bio, int error)
-+{
-+}
-+static inline ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
-+      struct block_device *bdev, const struct iovec *iov, loff_t offset,
-+      unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
-+      dio_submit_t submit_io, int flags)
-+{
-+      return -EOPNOTSUPP;
-+}
-+#endif
-+
- 
- static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
-               struct inode *inode, const struct iovec *iov, loff_t offset,
---- a/fs/fcntl.c
-+++ b/fs/fcntl.c
-@@ -51,8 +51,10 @@ static int setfl(int fd, struct file * f
-                  arg |= O_NONBLOCK;
- 
-       if (arg & O_DIRECT) {
-+#ifdef CONFIG_DIRECT_IO
-               if (!filp->f_mapping || !filp->f_mapping->a_ops ||
-                       !filp->f_mapping->a_ops->direct_IO)
-+#endif
-                               return -EINVAL;
-       }
- 
---- a/fs/open.c
-+++ b/fs/open.c
-@@ -654,9 +654,12 @@ int open_check_o_direct(struct file *f)
- {
-       /* NB: we're sure to have correct a_ops only after f_op->open */
-       if (f->f_flags & O_DIRECT) {
-+#ifdef CONFIG_DIRECT_IO
-               if (!f->f_mapping->a_ops ||
-                   ((!f->f_mapping->a_ops->direct_IO) &&
--                  (!f->f_mapping->a_ops->get_xip_mem))) {
-+                  (!f->f_mapping->a_ops->get_xip_mem)))
-+#endif
-+              {
-                       return -EINVAL;
-               }
-       }