btrfs: fix spelling of snapshotting
authorDavid Sterba <dsterba@suse.com>
Thu, 22 Jun 2017 00:19:11 +0000 (02:19 +0200)
committerDavid Sterba <dsterba@suse.com>
Wed, 16 Aug 2017 14:12:04 +0000 (16:12 +0200)
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/file.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c

index 6510f246f71e5826ab16b881daee7db4ab91d9a3..874d814da371e83f91b9dc61785a3bd1b4280a5c 100644 (file)
@@ -1258,7 +1258,7 @@ struct btrfs_root {
         */
        int send_in_progress;
        struct btrfs_subvolume_writers *subv_writers;
-       atomic_t will_be_snapshoted;
+       atomic_t will_be_snapshotted;
 
        /* For qgroup metadata space reserve */
        atomic64_t qgroup_meta_rsv;
@@ -2773,8 +2773,8 @@ int btrfs_init_space_info(struct btrfs_fs_info *fs_info);
 int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans,
                                         struct btrfs_fs_info *fs_info);
 int __get_raid_index(u64 flags);
-int btrfs_start_write_no_snapshoting(struct btrfs_root *root);
-void btrfs_end_write_no_snapshoting(struct btrfs_root *root);
+int btrfs_start_write_no_snapshotting(struct btrfs_root *root);
+void btrfs_end_write_no_snapshotting(struct btrfs_root *root);
 void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
 void check_system_chunk(struct btrfs_trans_handle *trans,
                        struct btrfs_fs_info *fs_info, const u64 type);
index 9b1f4ef54438cf9b27009d5981df8e84685b4601..57a857142cdaf90f99839373016d7e64e784d1e6 100644 (file)
@@ -1343,7 +1343,7 @@ static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
        atomic_set(&root->log_batch, 0);
        atomic_set(&root->orphan_inodes, 0);
        refcount_set(&root->refs, 1);
-       atomic_set(&root->will_be_snapshoted, 0);
+       atomic_set(&root->will_be_snapshotted, 0);
        atomic64_set(&root->qgroup_meta_rsv, 0);
        root->log_transid = 0;
        root->log_transid_committed = -1;
index 42251c2eb7d2da399f0616e71fda55107a233ee6..7d7abc0d47b981d8231f807f59914c4c7da0affa 100644 (file)
@@ -10989,14 +10989,14 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
 }
 
 /*
- * btrfs_{start,end}_write_no_snapshoting() are similar to
+ * btrfs_{start,end}_write_no_snapshotting() are similar to
  * mnt_{want,drop}_write(), they are used to prevent some tasks from writing
  * data into the page cache through nocow before the subvolume is snapshoted,
  * but flush the data into disk after the snapshot creation, or to prevent
- * operations while snapshoting is ongoing and that cause the snapshot to be
+ * operations while snapshotting is ongoing and that cause the snapshot to be
  * inconsistent (writes followed by expanding truncates for example).
  */
-void btrfs_end_write_no_snapshoting(struct btrfs_root *root)
+void btrfs_end_write_no_snapshotting(struct btrfs_root *root)
 {
        percpu_counter_dec(&root->subv_writers->counter);
        /*
@@ -11007,9 +11007,9 @@ void btrfs_end_write_no_snapshoting(struct btrfs_root *root)
                wake_up(&root->subv_writers->wait);
 }
 
-int btrfs_start_write_no_snapshoting(struct btrfs_root *root)
+int btrfs_start_write_no_snapshotting(struct btrfs_root *root)
 {
-       if (atomic_read(&root->will_be_snapshoted))
+       if (atomic_read(&root->will_be_snapshotted))
                return 0;
 
        percpu_counter_inc(&root->subv_writers->counter);
@@ -11017,14 +11017,14 @@ int btrfs_start_write_no_snapshoting(struct btrfs_root *root)
         * Make sure counter is updated before we check for snapshot creation.
         */
        smp_mb();
-       if (atomic_read(&root->will_be_snapshoted)) {
-               btrfs_end_write_no_snapshoting(root);
+       if (atomic_read(&root->will_be_snapshotted)) {
+               btrfs_end_write_no_snapshotting(root);
                return 0;
        }
        return 1;
 }
 
-static int wait_snapshoting_atomic_t(atomic_t *a)
+static int wait_snapshotting_atomic_t(atomic_t *a)
 {
        schedule();
        return 0;
@@ -11035,11 +11035,11 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root)
        while (true) {
                int ret;
 
-               ret = btrfs_start_write_no_snapshoting(root);
+               ret = btrfs_start_write_no_snapshotting(root);
                if (ret)
                        break;
-               wait_on_atomic_t(&root->will_be_snapshoted,
-                                wait_snapshoting_atomic_t,
+               wait_on_atomic_t(&root->will_be_snapshotted,
+                                wait_snapshotting_atomic_t,
                                 TASK_UNINTERRUPTIBLE);
        }
 }
index 9e75d8a39aacf7dbcfdd961dd41ddd71e924a3a3..58818cf7f82dc044e10d551df307abd3b2d70577 100644 (file)
@@ -1536,7 +1536,7 @@ static noinline int check_can_nocow(struct btrfs_inode *inode, loff_t pos,
        u64 num_bytes;
        int ret;
 
-       ret = btrfs_start_write_no_snapshoting(root);
+       ret = btrfs_start_write_no_snapshotting(root);
        if (!ret)
                return -ENOSPC;
 
@@ -1561,7 +1561,7 @@ static noinline int check_can_nocow(struct btrfs_inode *inode, loff_t pos,
                        NULL, NULL, NULL);
        if (ret <= 0) {
                ret = 0;
-               btrfs_end_write_no_snapshoting(root);
+               btrfs_end_write_no_snapshotting(root);
        } else {
                *write_bytes = min_t(size_t, *write_bytes ,
                                     num_bytes - pos + lockstart);
@@ -1664,7 +1664,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
                                                data_reserved, pos,
                                                write_bytes);
                        else
-                               btrfs_end_write_no_snapshoting(root);
+                               btrfs_end_write_no_snapshotting(root);
                        break;
                }
 
@@ -1767,7 +1767,7 @@ again:
 
                release_bytes = 0;
                if (only_release_metadata)
-                       btrfs_end_write_no_snapshoting(root);
+                       btrfs_end_write_no_snapshotting(root);
 
                if (only_release_metadata && copied > 0) {
                        lockstart = round_down(pos,
@@ -1797,7 +1797,7 @@ again:
 
        if (release_bytes) {
                if (only_release_metadata) {
-                       btrfs_end_write_no_snapshoting(root);
+                       btrfs_end_write_no_snapshotting(root);
                        btrfs_delalloc_release_metadata(BTRFS_I(inode),
                                        release_bytes);
                } else {
index 9349a13b3d725ae17fcb1809c176c15be2116d2f..9ad9dda871ca4cbfcf0905f9b7111411908ae3a7 100644 (file)
@@ -1381,7 +1381,7 @@ next_slot:
                         * we fall into common COW way.
                         */
                        if (!nolock) {
-                               err = btrfs_start_write_no_snapshoting(root);
+                               err = btrfs_start_write_no_snapshotting(root);
                                if (!err)
                                        goto out_check;
                        }
@@ -1393,12 +1393,12 @@ next_slot:
                        if (csum_exist_in_range(fs_info, disk_bytenr,
                                                num_bytes)) {
                                if (!nolock)
-                                       btrfs_end_write_no_snapshoting(root);
+                                       btrfs_end_write_no_snapshotting(root);
                                goto out_check;
                        }
                        if (!btrfs_inc_nocow_writers(fs_info, disk_bytenr)) {
                                if (!nolock)
-                                       btrfs_end_write_no_snapshoting(root);
+                                       btrfs_end_write_no_snapshotting(root);
                                goto out_check;
                        }
                        nocow = 1;
@@ -1415,7 +1415,7 @@ out_check:
                if (extent_end <= start) {
                        path->slots[0]++;
                        if (!nolock && nocow)
-                               btrfs_end_write_no_snapshoting(root);
+                               btrfs_end_write_no_snapshotting(root);
                        if (nocow)
                                btrfs_dec_nocow_writers(fs_info, disk_bytenr);
                        goto next_slot;
@@ -1438,7 +1438,7 @@ out_check:
                                             NULL);
                        if (ret) {
                                if (!nolock && nocow)
-                                       btrfs_end_write_no_snapshoting(root);
+                                       btrfs_end_write_no_snapshotting(root);
                                if (nocow)
                                        btrfs_dec_nocow_writers(fs_info,
                                                                disk_bytenr);
@@ -1459,7 +1459,7 @@ out_check:
                                          BTRFS_ORDERED_PREALLOC);
                        if (IS_ERR(em)) {
                                if (!nolock && nocow)
-                                       btrfs_end_write_no_snapshoting(root);
+                                       btrfs_end_write_no_snapshotting(root);
                                if (nocow)
                                        btrfs_dec_nocow_writers(fs_info,
                                                                disk_bytenr);
@@ -1499,7 +1499,7 @@ out_check:
                                             PAGE_UNLOCK | PAGE_SET_PRIVATE2);
 
                if (!nolock && nocow)
-                       btrfs_end_write_no_snapshoting(root);
+                       btrfs_end_write_no_snapshotting(root);
                cur_offset = extent_end;
 
                /*
@@ -5053,7 +5053,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
 
        if (newsize > oldsize) {
                /*
-                * Don't do an expanding truncate while snapshoting is ongoing.
+                * Don't do an expanding truncate while snapshotting is ongoing.
                 * This is to ensure the snapshot captures a fully consistent
                 * state of this file - if the snapshot captures this expanding
                 * truncation, it must capture all writes that happened before
@@ -5062,13 +5062,13 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
                btrfs_wait_for_snapshot_creation(root);
                ret = btrfs_cont_expand(inode, oldsize, newsize);
                if (ret) {
-                       btrfs_end_write_no_snapshoting(root);
+                       btrfs_end_write_no_snapshotting(root);
                        return ret;
                }
 
                trans = btrfs_start_transaction(root, 1);
                if (IS_ERR(trans)) {
-                       btrfs_end_write_no_snapshoting(root);
+                       btrfs_end_write_no_snapshotting(root);
                        return PTR_ERR(trans);
                }
 
@@ -5076,7 +5076,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
                btrfs_ordered_update_i_size(inode, i_size_read(inode), NULL);
                pagecache_isize_extended(inode, oldsize, newsize);
                ret = btrfs_update_inode(trans, root, inode);
-               btrfs_end_write_no_snapshoting(root);
+               btrfs_end_write_no_snapshotting(root);
                btrfs_end_transaction(trans);
        } else {
 
index 4cfc3d4c0a3720ca1564eb14cb063db26bc017e1..7d144a676d958e63223f1b26d3975cbca237ff98 100644 (file)
@@ -607,7 +607,7 @@ fail_free:
        return ret;
 }
 
-static void btrfs_wait_for_no_snapshoting_writes(struct btrfs_root *root)
+static void btrfs_wait_for_no_snapshotting_writes(struct btrfs_root *root)
 {
        s64 writers;
        DEFINE_WAIT(wait);
@@ -650,9 +650,9 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
                goto free_pending;
        }
 
-       atomic_inc(&root->will_be_snapshoted);
+       atomic_inc(&root->will_be_snapshotted);
        smp_mb__after_atomic();
-       btrfs_wait_for_no_snapshoting_writes(root);
+       btrfs_wait_for_no_snapshotting_writes(root);
 
        ret = btrfs_start_delalloc_inodes(root, 0);
        if (ret)
@@ -723,8 +723,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
 fail:
        btrfs_subvolume_release_metadata(fs_info, &pending_snapshot->block_rsv);
 dec_and_free:
-       if (atomic_dec_and_test(&root->will_be_snapshoted))
-               wake_up_atomic_t(&root->will_be_snapshoted);
+       if (atomic_dec_and_test(&root->will_be_snapshotted))
+               wake_up_atomic_t(&root->will_be_snapshotted);
 free_pending:
        kfree(pending_snapshot->root_item);
        btrfs_free_path(pending_snapshot->path);