diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/Makefile | 1 | ||||
-rw-r--r-- | fs/btrfs/ctree.h | 2 | ||||
-rw-r--r-- | fs/btrfs/export.c | 1 | ||||
-rw-r--r-- | fs/btrfs/export.h | 1 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 27 | ||||
-rw-r--r-- | fs/btrfs/extent_io.c | 26 | ||||
-rw-r--r-- | fs/btrfs/extent_io.h | 1 | ||||
-rw-r--r-- | fs/btrfs/extent_map.c | 1 | ||||
-rw-r--r-- | fs/btrfs/extent_map.h | 1 | ||||
-rw-r--r-- | fs/btrfs/inode-map.h | 1 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 4 | ||||
-rw-r--r-- | fs/btrfs/super.c | 50 | ||||
-rw-r--r-- | fs/btrfs/sysfs.h | 1 | ||||
-rw-r--r-- | fs/btrfs/volumes.c | 4 |
14 files changed, 49 insertions, 72 deletions
diff --git a/fs/btrfs/Makefile b/fs/btrfs/Makefile index 9216ff22d741..6fe881d5cb38 100644 --- a/fs/btrfs/Makefile +++ b/fs/btrfs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_BTRFS_FS) := btrfs.o diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 72dcbf19f6ce..13c260b525a1 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2957,7 +2957,7 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) */ static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info) { - return fs_info->sb->s_flags & MS_RDONLY || btrfs_fs_closing(fs_info); + return fs_info->sb->s_flags & SB_RDONLY || btrfs_fs_closing(fs_info); } static inline void free_fs_info(struct btrfs_fs_info *fs_info) diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index fa66980726c9..3aeb5770f896 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/fs.h> #include <linux/types.h> #include "ctree.h" diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h index 074348a95841..91b3908e7c54 100644 --- a/fs/btrfs/export.h +++ b/fs/btrfs/export.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BTRFS_EXPORT_H #define BTRFS_EXPORT_H diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 16e46ee3cd16..2f4328511ac8 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3992,16 +3992,9 @@ void btrfs_dec_nocow_writers(struct btrfs_fs_info *fs_info, u64 bytenr) btrfs_put_block_group(bg); } -static int btrfs_wait_nocow_writers_atomic_t(atomic_t *a) -{ - schedule(); - return 0; -} - void btrfs_wait_nocow_writers(struct btrfs_block_group_cache *bg) { - wait_on_atomic_t(&bg->nocow_writers, - btrfs_wait_nocow_writers_atomic_t, + wait_on_atomic_t(&bg->nocow_writers, atomic_t_wait, TASK_UNINTERRUPTIBLE); } @@ -6530,12 +6523,6 @@ void btrfs_dec_block_group_reservations(struct btrfs_fs_info *fs_info, btrfs_put_block_group(bg); } -static int btrfs_wait_bg_reservations_atomic_t(atomic_t *a) -{ - schedule(); - return 0; -} - void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg) { struct btrfs_space_info *space_info = bg->space_info; @@ -6558,8 +6545,7 @@ void btrfs_wait_block_group_reservations(struct btrfs_block_group_cache *bg) down_write(&space_info->groups_sem); up_write(&space_info->groups_sem); - wait_on_atomic_t(&bg->reservations, - btrfs_wait_bg_reservations_atomic_t, + wait_on_atomic_t(&bg->reservations, atomic_t_wait, TASK_UNINTERRUPTIBLE); } @@ -11060,12 +11046,6 @@ int btrfs_start_write_no_snapshotting(struct btrfs_root *root) return 1; } -static int wait_snapshotting_atomic_t(atomic_t *a) -{ - schedule(); - return 0; -} - void btrfs_wait_for_snapshot_creation(struct btrfs_root *root) { while (true) { @@ -11074,8 +11054,7 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root) ret = btrfs_start_write_no_snapshotting(root); if (ret) break; - wait_on_atomic_t(&root->will_be_snapshotted, - wait_snapshotting_atomic_t, + wait_on_atomic_t(&root->will_be_snapshotted, atomic_t_wait, TASK_UNINTERRUPTIBLE); } } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1dfd14678db8..012d63870b99 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/slab.h> #include <linux/bio.h> @@ -1983,7 +1984,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start, struct btrfs_bio *bbio = NULL; int ret; - ASSERT(!(fs_info->sb->s_flags & MS_RDONLY)); + ASSERT(!(fs_info->sb->s_flags & SB_RDONLY)); BUG_ON(!mirror_num); bio = btrfs_io_bio_alloc(1); @@ -3796,7 +3797,7 @@ int btree_write_cache_pages(struct address_space *mapping, int scanned = 0; int tag; - pagevec_init(&pvec, 0); + pagevec_init(&pvec); if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ end = -1; @@ -3813,8 +3814,8 @@ retry: if (wbc->sync_mode == WB_SYNC_ALL) tag_pages_for_writeback(mapping, index, end); while (!done && !nr_to_write_done && (index <= end) && - (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag, - min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1))) { + (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, &index, end, + tag))) { unsigned i; scanned = 1; @@ -3824,11 +3825,6 @@ retry: if (!PagePrivate(page)) continue; - if (!wbc->range_cyclic && page->index > end) { - done = 1; - break; - } - spin_lock(&mapping->private_lock); if (!PagePrivate(page)) { spin_unlock(&mapping->private_lock); @@ -3940,7 +3936,7 @@ static int extent_write_cache_pages(struct address_space *mapping, if (!igrab(inode)) return 0; - pagevec_init(&pvec, 0); + pagevec_init(&pvec); if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ end = -1; @@ -3960,8 +3956,8 @@ retry: tag_pages_for_writeback(mapping, index, end); done_index = index; while (!done && !nr_to_write_done && (index <= end) && - (nr_pages = pagevec_lookup_tag(&pvec, mapping, &index, tag, - min(end - index, (pgoff_t)PAGEVEC_SIZE-1) + 1))) { + (nr_pages = pagevec_lookup_range_tag(&pvec, mapping, + &index, end, tag))) { unsigned i; scanned = 1; @@ -3986,12 +3982,6 @@ retry: continue; } - if (!wbc->range_cyclic && page->index > end) { - done = 1; - unlock_page(page); - continue; - } - if (wbc->sync_mode != WB_SYNC_NONE) { if (PageWriteback(page)) flush_fn(data); diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 2ef824b58e3c..93dcae0c3183 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __EXTENTIO__ #define __EXTENTIO__ diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 69850155870c..2e348fb0b280 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/err.h> #include <linux/slab.h> #include <linux/spinlock.h> diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index a67b2def5413..64365bbc9b16 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __EXTENTMAP__ #define __EXTENTMAP__ diff --git a/fs/btrfs/inode-map.h b/fs/btrfs/inode-map.h index c8e864b2d530..6734ec92a1e9 100644 --- a/fs/btrfs/inode-map.h +++ b/fs/btrfs/inode-map.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BTRFS_INODE_MAP #define __BTRFS_INODE_MAP diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 1a508fff7afe..2ef8acaac688 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1172,7 +1172,7 @@ again: if (!i_done || ret) goto out; - if (!(inode->i_sb->s_flags & MS_ACTIVE)) + if (!(inode->i_sb->s_flags & SB_ACTIVE)) goto out; /* @@ -1333,7 +1333,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, * make sure we stop running if someone unmounts * the FS */ - if (!(inode->i_sb->s_flags & MS_ACTIVE)) + if (!(inode->i_sb->s_flags & SB_ACTIVE)) break; if (btrfs_defrag_cancelled(fs_info)) { diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index ff3545e526f5..3a4dce153645 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -107,7 +107,7 @@ static void btrfs_handle_error(struct btrfs_fs_info *fs_info) return; if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) { - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; btrfs_info(fs_info, "forced readonly"); /* * Note that a running device replace operation is not @@ -137,7 +137,7 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function /* * Special case: if the error is EROFS, and we're already - * under MS_RDONLY, then it is safe here. + * under SB_RDONLY, then it is safe here. */ if (errno == -EROFS && sb_rdonly(sb)) return; @@ -168,7 +168,7 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function set_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state); /* Don't go through full error handling during mount */ - if (sb->s_flags & MS_BORN) + if (sb->s_flags & SB_BORN) btrfs_handle_error(fs_info); } @@ -634,7 +634,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, break; case Opt_acl: #ifdef CONFIG_BTRFS_FS_POSIX_ACL - info->sb->s_flags |= MS_POSIXACL; + info->sb->s_flags |= SB_POSIXACL; break; #else btrfs_err(info, "support for ACL not compiled in!"); @@ -642,7 +642,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, goto out; #endif case Opt_noacl: - info->sb->s_flags &= ~MS_POSIXACL; + info->sb->s_flags &= ~SB_POSIXACL; break; case Opt_notreelog: btrfs_set_and_info(info, NOTREELOG, @@ -860,7 +860,7 @@ check: /* * Extra check for current option against current flag */ - if (btrfs_test_opt(info, NOLOGREPLAY) && !(new_flags & MS_RDONLY)) { + if (btrfs_test_opt(info, NOLOGREPLAY) && !(new_flags & SB_RDONLY)) { btrfs_err(info, "nologreplay must be used with ro mount option"); ret = -EINVAL; @@ -1156,7 +1156,7 @@ static int btrfs_fill_super(struct super_block *sb, sb->s_xattr = btrfs_xattr_handlers; sb->s_time_gran = 1; #ifdef CONFIG_BTRFS_FS_POSIX_ACL - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= SB_POSIXACL; #endif sb->s_flags |= SB_I_VERSION; sb->s_iflags |= SB_I_CGROUPWB; @@ -1189,7 +1189,7 @@ static int btrfs_fill_super(struct super_block *sb, } cleancache_init_fs(sb); - sb->s_flags |= MS_ACTIVE; + sb->s_flags |= SB_ACTIVE; return 0; fail_close: @@ -1286,7 +1286,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) seq_puts(seq, ",flushoncommit"); if (btrfs_test_opt(info, DISCARD)) seq_puts(seq, ",discard"); - if (!(info->sb->s_flags & MS_POSIXACL)) + if (!(info->sb->s_flags & SB_POSIXACL)) seq_puts(seq, ",noacl"); if (btrfs_test_opt(info, SPACE_CACHE)) seq_puts(seq, ",space_cache"); @@ -1418,11 +1418,11 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, mnt = vfs_kern_mount(&btrfs_fs_type, flags, device_name, newargs); if (PTR_ERR_OR_ZERO(mnt) == -EBUSY) { - if (flags & MS_RDONLY) { - mnt = vfs_kern_mount(&btrfs_fs_type, flags & ~MS_RDONLY, + if (flags & SB_RDONLY) { + mnt = vfs_kern_mount(&btrfs_fs_type, flags & ~SB_RDONLY, device_name, newargs); } else { - mnt = vfs_kern_mount(&btrfs_fs_type, flags | MS_RDONLY, + mnt = vfs_kern_mount(&btrfs_fs_type, flags | SB_RDONLY, device_name, newargs); if (IS_ERR(mnt)) { root = ERR_CAST(mnt); @@ -1574,7 +1574,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, u64 subvol_objectid = 0; int error = 0; - if (!(flags & MS_RDONLY)) + if (!(flags & SB_RDONLY)) mode |= FMODE_WRITE; error = btrfs_parse_early_options(data, mode, fs_type, @@ -1628,13 +1628,13 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, if (error) goto error_fs_info; - if (!(flags & MS_RDONLY) && fs_devices->rw_devices == 0) { + if (!(flags & SB_RDONLY) && fs_devices->rw_devices == 0) { error = -EACCES; goto error_close_devices; } bdev = fs_devices->latest_bdev; - s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | MS_NOSEC, + s = sget(fs_type, btrfs_test_super, btrfs_set_super, flags | SB_NOSEC, fs_info); if (IS_ERR(s)) { error = PTR_ERR(s); @@ -1644,7 +1644,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags, if (s->s_root) { btrfs_close_devices(fs_devices); free_fs_info(fs_info); - if ((flags ^ s->s_flags) & MS_RDONLY) + if ((flags ^ s->s_flags) & SB_RDONLY) error = -EBUSY; } else { snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev); @@ -1711,11 +1711,11 @@ static inline void btrfs_remount_begin(struct btrfs_fs_info *fs_info, { if (btrfs_raw_test_opt(old_opts, AUTO_DEFRAG) && (!btrfs_raw_test_opt(fs_info->mount_opt, AUTO_DEFRAG) || - (flags & MS_RDONLY))) { + (flags & SB_RDONLY))) { /* wait for any defraggers to finish */ wait_event(fs_info->transaction_wait, (atomic_read(&fs_info->defrag_running) == 0)); - if (flags & MS_RDONLY) + if (flags & SB_RDONLY) sync_filesystem(fs_info->sb); } } @@ -1775,10 +1775,10 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) btrfs_resize_thread_pool(fs_info, fs_info->thread_pool_size, old_thread_pool_size); - if ((bool)(*flags & MS_RDONLY) == sb_rdonly(sb)) + if ((bool)(*flags & SB_RDONLY) == sb_rdonly(sb)) goto out; - if (*flags & MS_RDONLY) { + if (*flags & SB_RDONLY) { /* * this also happens on 'umount -rf' or on shutdown, when * the filesystem is busy. @@ -1790,10 +1790,10 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) /* avoid complains from lockdep et al. */ up(&fs_info->uuid_tree_rescan_sem); - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; /* - * Setting MS_RDONLY will put the cleaner thread to + * Setting SB_RDONLY will put the cleaner thread to * sleep at the next loop if it's already active. * If it's already asleep, we'll leave unused block * groups on disk until we're mounted read-write again @@ -1865,7 +1865,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) goto restore; } } - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; set_bit(BTRFS_FS_OPEN, &fs_info->flags); } @@ -1875,9 +1875,9 @@ out: return 0; restore: - /* We've hit an error - don't reset MS_RDONLY */ + /* We've hit an error - don't reset SB_RDONLY */ if (sb_rdonly(sb)) - old_flags |= MS_RDONLY; + old_flags |= SB_RDONLY; sb->s_flags = old_flags; fs_info->mount_opt = old_opts; fs_info->compress_type = old_compress_type; diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index 928cc5c23347..80457f31c29f 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BTRFS_SYSFS_H_ #define _BTRFS_SYSFS_H_ diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 94d28f549837..a25684287501 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -2394,7 +2394,7 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path set_blocksize(device->bdev, BTRFS_BDEV_BLOCKSIZE); if (seeding_dev) { - sb->s_flags &= ~MS_RDONLY; + sb->s_flags &= ~SB_RDONLY; ret = btrfs_prepare_sprout(fs_info); if (ret) { btrfs_abort_transaction(trans, ret); @@ -2507,7 +2507,7 @@ error_sysfs: btrfs_sysfs_rm_device_link(fs_info->fs_devices, device); error_trans: if (seeding_dev) - sb->s_flags |= MS_RDONLY; + sb->s_flags |= SB_RDONLY; if (trans) btrfs_end_transaction(trans); rcu_string_free(device->name); |