diff options
| -rw-r--r-- | quotaio_meta.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/quotaio_meta.c b/quotaio_meta.c new file mode 100644 index 0000000..516ef22 --- /dev/null +++ b/quotaio_meta.c @@ -0,0 +1,58 @@ +/* + * Implementation of handling of quotafiles which are hidden + * + * Jan Kara <jack@suse.cz> + */ +#include <string.h> +#include <stdlib.h> + +#include <sys/types.h> + +#include "pot.h" +#include "common.h" +#include "quotasys.h" +#include "quotaio_generic.h" + +static int meta_init_io(struct quota_handle *h) +{ + if (!QIO_ENABLED(h)) { + errstr(_("Metadata init_io called when kernel support is not enabled.\n")); + return -1; + } + if (kernel_iface != IFACE_GENERIC) { + errstr(_("Metadata init_io called when kernel does not support generic quota interface!\n")); + return -1; + } + return vfs_get_info(h); +} + +static int meta_write_info(struct quota_handle *h) +{ + return vfs_set_info(h, IIF_BGRACE | IIF_IGRACE); +} + +static struct dquot *meta_read_dquot(struct quota_handle *h, qid_t id) +{ + struct dquot *dquot = get_empty_dquot(); + + dquot->dq_id = id; + dquot->dq_h = h; + memset(&dquot->dq_dqb, 0, sizeof(struct util_dqblk)); + if (vfs_get_dquot(dquot) < 0) { + free(dquot); + return NULL; + } + return dquot; +} + +static int meta_commit_dquot(struct dquot *dquot, int flags) +{ + return vfs_set_dquot(dquot, flags); +} + +struct quotafile_ops quotafile_ops_meta = { +init_io: meta_init_io, +write_info: meta_write_info, +read_dquot: meta_read_dquot, +commit_dquot: meta_commit_dquot, +}; |