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authorKent Overstreet <kent.overstreet@gmail.com>2020-11-16 14:23:06 -0500
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 17:08:47 -0400
commite8c851b351d60b5cf9f2cd23c126fc200b8f5e6a (patch)
tree0ca4cb55fb23bc30e5a9d4bc5c34168223cc3a69 /fs/bcachefs/bcachefs_ioctl.h
parent1c74cec10cc8dbc595c6de83e2344a44d278dc11 (diff)
bcachefs: Add an ioctl for resizing journal on a device
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/bcachefs_ioctl.h')
-rw-r--r--fs/bcachefs/bcachefs_ioctl.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/bcachefs/bcachefs_ioctl.h b/fs/bcachefs/bcachefs_ioctl.h
index 923001188a88..1bf834e31775 100644
--- a/fs/bcachefs/bcachefs_ioctl.h
+++ b/fs/bcachefs/bcachefs_ioctl.h
@@ -73,6 +73,7 @@ struct bch_ioctl_incremental {
#define BCH_IOCTL_READ_SUPER _IOW(0xbc, 12, struct bch_ioctl_read_super)
#define BCH_IOCTL_DISK_GET_IDX _IOW(0xbc, 13, struct bch_ioctl_disk_get_idx)
#define BCH_IOCTL_DISK_RESIZE _IOW(0xbc, 14, struct bch_ioctl_disk_resize)
+#define BCH_IOCTL_DISK_RESIZE_JOURNAL _IOW(0xbc,15, struct bch_ioctl_disk_resize_journal)
/* ioctl below act on a particular file, not the filesystem as a whole: */
@@ -329,4 +330,17 @@ struct bch_ioctl_disk_resize {
__u64 nbuckets;
};
+/*
+ * BCH_IOCTL_DISK_RESIZE_JOURNAL: resize journal on a device
+ *
+ * @dev - member to resize
+ * @nbuckets - new number of buckets
+ */
+struct bch_ioctl_disk_resize_journal {
+ __u32 flags;
+ __u32 pad;
+ __u64 dev;
+ __u64 nbuckets;
+};
+
#endif /* _BCACHEFS_IOCTL_H */