diff options
| -rw-r--r-- | fs/gfs2/locking/nolock/main.c | 15 | ||||
| -rw-r--r-- | fs/gfs2/ops_address.c | 66 | ||||
| -rw-r--r-- | fs/gfs2/ops_file.c | 19 |
3 files changed, 19 insertions, 81 deletions
diff --git a/fs/gfs2/locking/nolock/main.c b/fs/gfs2/locking/nolock/main.c index 9398309f281..ecd37371eba 100644 --- a/fs/gfs2/locking/nolock/main.c +++ b/fs/gfs2/locking/nolock/main.c @@ -176,14 +176,13 @@ static void nolock_sync_lvb(lm_lock_t *lock, char *lvb) static int nolock_plock_get(lm_lockspace_t *lockspace, struct lm_lockname *name, struct file *file, struct file_lock *fl) { - struct file_lock *tmp; + struct file_lock tmp; + int ret; - lock_kernel(); - tmp = posix_test_lock(file, fl); + ret = posix_test_lock(file, fl, &tmp); fl->fl_type = F_UNLCK; - if (tmp) - memcpy(fl, tmp, sizeof(struct file_lock)); - unlock_kernel(); + if (ret) + memcpy(fl, &tmp, sizeof(struct file_lock)); return 0; } @@ -192,9 +191,7 @@ static int nolock_plock(lm_lockspace_t *lockspace, struct lm_lockname *name, struct file *file, int cmd, struct file_lock *fl) { int error; - lock_kernel(); error = posix_lock_file_wait(file, fl); - unlock_kernel(); return error; } @@ -202,9 +199,7 @@ static int nolock_punlock(lm_lockspace_t *lockspace, struct lm_lockname *name, struct file *file, struct file_lock *fl) { int error; - lock_kernel(); error = posix_lock_file_wait(file, fl); - unlock_kernel(); return error; } diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 01aa4a9b48c..3fd8c6ec256 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -96,59 +96,6 @@ static int get_block_noalloc(struct inode *inode, sector_t lblock, return error; } -static int get_blocks(struct inode *inode, sector_t lblock, - unsigned long max_blocks, struct buffer_head *bh_result, - int create) -{ - struct gfs2_inode *ip = inode->u.generic_ip; - int new = create; - uint64_t dblock; - uint32_t extlen; - int error; - - error = gfs2_block_map(ip, lblock, &new, &dblock, &extlen); - if (error) - return error; - - if (!dblock) - return 0; - - map_bh(bh_result, inode->i_sb, dblock); - if (new) - set_buffer_new(bh_result); - - if (extlen > max_blocks) - extlen = max_blocks; - bh_result->b_size = extlen << inode->i_blkbits; - - return 0; -} - -static int get_blocks_noalloc(struct inode *inode, sector_t lblock, - unsigned long max_blocks, - struct buffer_head *bh_result, int create) -{ - struct gfs2_inode *ip = inode->u.generic_ip; - int new = 0; - uint64_t dblock; - uint32_t extlen; - int error; - - error = gfs2_block_map(ip, lblock, &new, &dblock, &extlen); - if (error) - return error; - - if (dblock) { - map_bh(bh_result, inode->i_sb, dblock); - if (extlen > max_blocks) - extlen = max_blocks; - bh_result->b_size = extlen << inode->i_blkbits; - } else if (gfs2_assert_withdraw(ip->i_sbd, !create)) - error = -EIO; - - return error; -} - /** * gfs2_writepage - Write complete page * @page: Page to write @@ -527,16 +474,15 @@ static void discard_buffer(struct gfs2_sbd *sdp, struct buffer_head *bh) unlock_buffer(bh); } -static int gfs2_invalidatepage(struct page *page, unsigned long offset) +static void gfs2_invalidatepage(struct page *page, unsigned long offset) { struct gfs2_sbd *sdp = page->mapping->host->i_sb->s_fs_info; struct buffer_head *head, *bh, *next; unsigned int curr_off = 0; - int ret = 1; BUG_ON(!PageLocked(page)); if (!page_has_buffers(page)) - return 1; + return; bh = head = page_buffers(page); do { @@ -551,9 +497,9 @@ static int gfs2_invalidatepage(struct page *page, unsigned long offset) } while (bh != head); if (!offset) - ret = try_to_release_page(page, 0); + try_to_release_page(page, 0); - return ret; + return; } static ssize_t gfs2_direct_IO_write(struct kiocb *iocb, const struct iovec *iov, @@ -587,7 +533,7 @@ static ssize_t gfs2_direct_IO_write(struct kiocb *iocb, const struct iovec *iov, goto out; rv = __blockdev_direct_IO(WRITE, iocb, inode, inode->i_sb->s_bdev, - iov, offset, nr_segs, get_blocks_noalloc, + iov, offset, nr_segs, gfs2_get_block, NULL, DIO_OWN_LOCKING); out: gfs2_glock_dq_m(1, &gh); @@ -619,7 +565,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, return -EINVAL; return __blockdev_direct_IO(READ, iocb, inode, inode->i_sb->s_bdev, iov, - offset, nr_segs, get_blocks, NULL, + offset, nr_segs, gfs2_get_block, NULL, DIO_OWN_LOCKING); } diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index db4484a3efc..c44225fa758 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -833,20 +833,15 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl) if (sdp->sd_args.ar_localflocks) { if (IS_GETLK(cmd)) { - struct file_lock *tmp; - lock_kernel(); - tmp = posix_test_lock(file, fl); + struct file_lock tmp; + int ret; + ret = posix_test_lock(file, fl, &tmp); fl->fl_type = F_UNLCK; - if (tmp) - memcpy(fl, tmp, sizeof(struct file_lock)); - unlock_kernel(); + if (ret) + memcpy(fl, &tmp, sizeof(struct file_lock)); return 0; } else { - int error; - lock_kernel(); - error = posix_lock_file_wait(file, fl); - unlock_kernel(); - return error; + return posix_lock_file_wait(file, fl); } } @@ -983,6 +978,8 @@ struct file_operations gfs2_file_fops = { .lock = gfs2_lock, .sendfile = gfs2_sendfile, .flock = gfs2_flock, + .splice_read = generic_file_splice_read, + .splice_write = generic_file_splice_write, }; struct file_operations gfs2_dir_fops = { |