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| author | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-07-19 00:38:57 +0000 |
| commit | 1ff8392c32a2645d2665ca779ecb91bb29361c13 (patch) | |
| tree | 860b95e9a499ade4060848740fc6ce1fbb4e4e8d /fs/read_write.c | |
| parent | 70b315b0dd3879cb3ab8aadffb14f10b2d19b9c3 (diff) | |
| parent | 5bae7ac9feba925fd0099057f6b23d7be80b7b41 (diff) | |
| download | kernel-crypto-1ff8392c32a2645d2665ca779ecb91bb29361c13.tar.gz kernel-crypto-1ff8392c32a2645d2665ca779ecb91bb29361c13.tar.xz kernel-crypto-1ff8392c32a2645d2665ca779ecb91bb29361c13.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/cifs/export.c
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 4d03008f015..507ddff48a9 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/syscalls.h> #include <linux/pagemap.h> +#include <linux/splice.h> #include "read_write.h" #include <asm/uaccess.h> @@ -25,7 +26,7 @@ const struct file_operations generic_ro_fops = { .read = do_sync_read, .aio_read = generic_file_aio_read, .mmap = generic_file_readonly_mmap, - .sendfile = generic_file_sendfile, + .splice_read = generic_file_splice_read, }; EXPORT_SYMBOL(generic_ro_fops); @@ -708,7 +709,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, struct inode * in_inode, * out_inode; loff_t pos; ssize_t retval; - int fput_needed_in, fput_needed_out; + int fput_needed_in, fput_needed_out, fl; /* * Get input file, and verify that it is ok.. @@ -723,7 +724,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, in_inode = in_file->f_path.dentry->d_inode; if (!in_inode) goto fput_in; - if (!in_file->f_op || !in_file->f_op->sendfile) + if (!in_file->f_op || !in_file->f_op->splice_read) goto fput_in; retval = -ESPIPE; if (!ppos) @@ -776,7 +777,18 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, count = max - pos; } - retval = in_file->f_op->sendfile(in_file, ppos, count, file_send_actor, out_file); + fl = 0; +#if 0 + /* + * We need to debate whether we can enable this or not. The + * man page documents EAGAIN return for the output at least, + * and the application is arguably buggy if it doesn't expect + * EAGAIN on a non-blocking file descriptor. + */ + if (in_file->f_flags & O_NONBLOCK) + fl = SPLICE_F_NONBLOCK; +#endif + retval = do_splice_direct(in_file, ppos, out_file, count, fl); if (retval > 0) { add_rchar(current, retval); |