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From: zkabelac@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/libdm libdevmapper.h libdm-deptree.c Date: Wed, 21 Dec 2011 12:52:00 -0000 [thread overview] Message-ID: <20111221125239.12669.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: zkabelac@sourceware.org 2011-12-21 12:52:38 Modified files: libdm : libdevmapper.h libdm-deptree.c Log message: Add Thin API for parsing thin status Add dm_get_status_thin_pool and dm_get_status_thin functions to parse 'params' argument which is received via dm_get_next_target. Returns filed structure allocated from given mempool. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/libdevmapper.h.diff?cvsroot=lvm2&r1=1.172&r2=1.173 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/libdm/libdm-deptree.c.diff?cvsroot=lvm2&r1=1.146&r2=1.147 --- LVM2/libdm/libdevmapper.h 2011/12/21 12:47:45 1.172 +++ LVM2/libdm/libdevmapper.h 2011/12/21 12:52:38 1.173 @@ -238,6 +238,29 @@ void *next, uint64_t *start, uint64_t *length, char **target_type, char **params); +/* Parse params from STATUS call for thin_pool target */ +struct dm_pool; + +struct dm_status_thin_pool { + uint64_t transaction_id; + uint64_t used_meta_blocks; + uint64_t total_meta_blocks; + uint64_t used_data_blocks; + uint64_t total_data_blocks; +}; + +int dm_get_status_thin_pool(struct dm_pool *mem, const char *params, + struct dm_status_thin_pool **status); + +/* Parse params from STATUS call for thin target */ +struct dm_status_thin { + uint64_t mapped_sectors; + uint64_t highest_mapped_sector; +}; + +int dm_get_status_thin(struct dm_pool *mem, const char *params, + struct dm_status_thin **status); + /* * Call this to actually run the ioctl. */ --- LVM2/libdm/libdm-deptree.c 2011/11/12 22:44:10 1.146 +++ LVM2/libdm/libdm-deptree.c 2011/12/21 12:52:38 1.147 @@ -3030,6 +3030,54 @@ return 1; } + +int dm_get_status_thin_pool(struct dm_pool *mem, const char *params, + struct dm_status_thin_pool **status) +{ + struct dm_status_thin_pool *s; + + if (!(s = dm_pool_zalloc(mem, sizeof(struct dm_status_thin_pool)))) { + log_error("Failed to allocate thin_pool status structure."); + return 0; + } + + if (sscanf(params, "%" PRIu64 " %" PRIu64 "/%" PRIu64 " %" PRIu64 "/%" PRIu64, + &s->transaction_id, + &s->used_meta_blocks, + &s->total_meta_blocks, + &s->used_data_blocks, + &s->total_data_blocks) != 5) { + log_error("Failed to parse thin pool params: %s.", params); + return 0; + } + + *status = s; + + return 1; +} + +int dm_get_status_thin(struct dm_pool *mem, const char *params, + struct dm_status_thin **status) +{ + struct dm_status_thin *s; + + if (!(s = dm_pool_zalloc(mem, sizeof(struct dm_status_thin)))) { + log_error("Failed to allocate thin status structure."); + return 0; + } + + if (sscanf(params, "%" PRIu64 " %" PRIu64, + &s->mapped_sectors, + &s->highest_mapped_sector) != 2) { + log_error("Failed to parse thin params: %s.", params); + return 0; + } + + *status = s; + + return 1; +} + static int _add_area(struct dm_tree_node *node, struct load_segment *seg, struct dm_tree_node *dev_node, uint64_t offset) { struct seg_area *area;
next reply other threads:[~2011-12-21 12:52 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-12-21 12:52 zkabelac [this message] -- strict thread matches above, loose matches on Subject: below -- 2011-11-03 14:43 zkabelac 2011-10-20 10:33 zkabelac 2011-10-17 14:16 zkabelac 2011-10-17 14:15 zkabelac 2011-10-04 16:22 zkabelac 2011-10-03 18:34 zkabelac
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