Commit f42a69fa authored by Bob Peterson's avatar Bob Peterson

GFS2: Allocate reservation during splice_write

This patch adds a GFS2-specific function for splice_write which
first calls function gfs2_rs_alloc to make sure a reservation
structure has been allocated before attempting to reserve blocks.
Signed-off-by: default avatarBob Peterson <rpeterso@redhat.com>
Acked-by: Steven Whitehouse's avatarSteven Whitehouse <swhiteho@redhat.com>
parent 932e468a
......@@ -1063,6 +1063,22 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
}
}
static ssize_t gfs2_file_splice_write(struct pipe_inode_info *pipe,
struct file *out, loff_t *ppos,
size_t len, unsigned int flags)
{
int error;
struct gfs2_inode *ip = GFS2_I(out->f_mapping->host);
error = gfs2_rs_alloc(ip);
if (error)
return (ssize_t)error;
gfs2_size_hint(out, *ppos, len);
return iter_file_splice_write(pipe, out, ppos, len, flags);
}
const struct file_operations gfs2_file_fops = {
.llseek = gfs2_llseek,
.read = new_sync_read,
......@@ -1077,7 +1093,7 @@ const struct file_operations gfs2_file_fops = {
.lock = gfs2_lock,
.flock = gfs2_flock,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.splice_write = gfs2_file_splice_write,
.setlease = simple_nosetlease,
.fallocate = gfs2_fallocate,
};
......@@ -1107,7 +1123,7 @@ const struct file_operations gfs2_file_fops_nolock = {
.release = gfs2_release,
.fsync = gfs2_fsync,
.splice_read = generic_file_splice_read,
.splice_write = iter_file_splice_write,
.splice_write = gfs2_file_splice_write,
.setlease = generic_setlease,
.fallocate = gfs2_fallocate,
};
......
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