diff options
Diffstat (limited to 'fs/xfs/xfs_sysfs.c')
| -rw-r--r-- | fs/xfs/xfs_sysfs.c | 75 |
1 files changed, 68 insertions, 7 deletions
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index 60cb5318fdae..b0857e3c1270 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -13,6 +13,7 @@ #include "xfs_log.h" #include "xfs_log_priv.h" #include "xfs_mount.h" +#include "xfs_zones.h" struct xfs_sysfs_attr { struct attribute attr; @@ -69,7 +70,7 @@ static struct attribute *xfs_mp_attrs[] = { }; ATTRIBUTE_GROUPS(xfs_mp); -const struct kobj_type xfs_mp_ktype = { +static const struct kobj_type xfs_mp_ktype = { .release = xfs_sysfs_release, .sysfs_ops = &xfs_sysfs_ops, .default_groups = xfs_mp_groups, @@ -701,45 +702,103 @@ out_error: return error; } +static inline struct xfs_mount *zoned_to_mp(struct kobject *kobj) +{ + return container_of(to_kobj(kobj), struct xfs_mount, m_zoned_kobj); +} + +static ssize_t +max_open_zones_show( + struct kobject *kobj, + char *buf) +{ + /* only report the open zones available for user data */ + return sysfs_emit(buf, "%u\n", + zoned_to_mp(kobj)->m_max_open_zones - XFS_OPEN_GC_ZONES); +} +XFS_SYSFS_ATTR_RO(max_open_zones); + +static struct attribute *xfs_zoned_attrs[] = { + ATTR_LIST(max_open_zones), + NULL, +}; +ATTRIBUTE_GROUPS(xfs_zoned); + +static const struct kobj_type xfs_zoned_ktype = { + .release = xfs_sysfs_release, + .sysfs_ops = &xfs_sysfs_ops, + .default_groups = xfs_zoned_groups, +}; + int -xfs_error_sysfs_init( +xfs_mount_sysfs_init( struct xfs_mount *mp) { int error; + super_set_sysfs_name_id(mp->m_super); + + /* .../xfs/<dev>/ */ + error = xfs_sysfs_init(&mp->m_kobj, &xfs_mp_ktype, + NULL, mp->m_super->s_id); + if (error) + return error; + + /* .../xfs/<dev>/stats/ */ + error = xfs_sysfs_init(&mp->m_stats.xs_kobj, &xfs_stats_ktype, + &mp->m_kobj, "stats"); + if (error) + goto out_remove_fsdir; + /* .../xfs/<dev>/error/ */ error = xfs_sysfs_init(&mp->m_error_kobj, &xfs_error_ktype, &mp->m_kobj, "error"); if (error) - return error; + goto out_remove_stats_dir; + /* .../xfs/<dev>/error/fail_at_unmount */ error = sysfs_create_file(&mp->m_error_kobj.kobject, ATTR_LIST(fail_at_unmount)); if (error) - goto out_error; + goto out_remove_error_dir; /* .../xfs/<dev>/error/metadata/ */ error = xfs_error_sysfs_init_class(mp, XFS_ERR_METADATA, "metadata", &mp->m_error_meta_kobj, xfs_error_meta_init); if (error) - goto out_error; + goto out_remove_error_dir; + + if (IS_ENABLED(CONFIG_XFS_RT) && xfs_has_zoned(mp)) { + /* .../xfs/<dev>/zoned/ */ + error = xfs_sysfs_init(&mp->m_zoned_kobj, &xfs_zoned_ktype, + &mp->m_kobj, "zoned"); + if (error) + goto out_remove_error_dir; + } return 0; -out_error: +out_remove_error_dir: xfs_sysfs_del(&mp->m_error_kobj); +out_remove_stats_dir: + xfs_sysfs_del(&mp->m_stats.xs_kobj); +out_remove_fsdir: + xfs_sysfs_del(&mp->m_kobj); return error; } void -xfs_error_sysfs_del( +xfs_mount_sysfs_del( struct xfs_mount *mp) { struct xfs_error_cfg *cfg; int i, j; + if (IS_ENABLED(CONFIG_XFS_RT) && xfs_has_zoned(mp)) + xfs_sysfs_del(&mp->m_zoned_kobj); + for (i = 0; i < XFS_ERR_CLASS_MAX; i++) { for (j = 0; j < XFS_ERR_ERRNO_MAX; j++) { cfg = &mp->m_error_cfg[i][j]; @@ -749,6 +808,8 @@ xfs_error_sysfs_del( } xfs_sysfs_del(&mp->m_error_meta_kobj); xfs_sysfs_del(&mp->m_error_kobj); + xfs_sysfs_del(&mp->m_stats.xs_kobj); + xfs_sysfs_del(&mp->m_kobj); } struct xfs_error_cfg * |