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mdadm
0059-util-Introduce-md_get_disk_info.patch
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File 0059-util-Introduce-md_get_disk_info.patch of Package mdadm
From d97572f5a59ca1ddde9971a79d47c9ea4db5891b Mon Sep 17 00:00:00 2001 From: Jes Sorensen <Jes.Sorensen@gmail.com> Date: Wed, 29 Mar 2017 15:23:50 -0400 Subject: [PATCH] util: Introduce md_get_disk_info() Git-commit: d97572f5a59ca1ddde9971a79d47c9ea4db5891b Patch-mainline: mdadm-4.0+ References: bsc#1069165, bsc#1069167, bsc#1068030 This removes all the inline ioctl calls for GET_DISK_INFO, allowing us to switch to sysfs in one place, and improves type checking. Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com> Signed-off-by: Coly Li <colyli@suse.de> --- Detail.c | 8 +++----- Grow.c | 14 +++++++------- Manage.c | 19 +++++++++---------- Monitor.c | 2 +- Query.c | 2 +- mdadm.h | 1 + util.c | 10 +++++++++- 7 files changed, 31 insertions(+), 25 deletions(-) diff --git a/Detail.c b/Detail.c index d7e886a..fa6d4c7 100644 --- a/Detail.c +++ b/Detail.c @@ -51,10 +51,8 @@ static int add_device(const char *dev, char ***p_devices, int Detail(char *dev, struct context *c) { /* - * Print out details for an md array by using - * GET_ARRAY_INFO and GET_DISK_INFO ioctl calls + * Print out details for an md array */ - int fd = open(dev, O_RDONLY); int vers; mdu_array_info_t array; @@ -165,7 +163,7 @@ int Detail(char *dev, struct context *c) disk = subdev->disk; else { disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if (d >= array.raid_disks && disk.major == 0 && @@ -322,7 +320,7 @@ int Detail(char *dev, struct context *c) } else for (d = 0; d < max_disks; d++) { mdu_disk_info_t disk; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) { + if (md_get_disk_info(fd, &disk) < 0) { if (d < array.raid_disks) pr_err("cannot get device detail for device %d: %s\n", d, strerror(errno)); diff --git a/Grow.c b/Grow.c index 4eab5cc..1c90902 100755 --- a/Grow.c +++ b/Grow.c @@ -161,7 +161,7 @@ int Grow_Add_device(char *devname, int fd, char *newdev) st->ss->free_super(st); disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) { + if (md_get_disk_info(fd, &disk) < 0) { pr_err("cannot get device detail for device %d\n", d); close(nfd); @@ -232,7 +232,7 @@ int Grow_Add_device(char *devname, int fd, char *newdev) char *dv; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) { + if (md_get_disk_info(fd, &disk) < 0) { pr_err("cannot get device detail for device %d\n", d); return 1; @@ -422,7 +422,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) int fd2; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -483,7 +483,7 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s) char *dv; int fd2; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if ((disk.major==0 && disk.minor == 0) || (disk.state & (1 << MD_DISK_REMOVED))) @@ -2908,7 +2908,7 @@ static int impose_level(int fd, int level, char *devname, int verbose) d++) { mdu_disk_info_t disk; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -2927,7 +2927,7 @@ static int impose_level(int fd, int level, char *devname, int verbose) d++) { mdu_disk_info_t disk; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -5011,7 +5011,7 @@ int Grow_continue_command(char *devname, int fd, char *dv; int err; disk.number = d; - if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + if (md_get_disk_info(fd, &disk) < 0) continue; if (disk.major == 0 && disk.minor == 0) continue; diff --git a/Manage.c b/Manage.c index 24ed370..0ffb6c6 100644 --- a/Manage.c +++ b/Manage.c @@ -546,7 +546,7 @@ static void add_faulty(struct mddev_dev *dv, int fd, char disp) for (i = 0; i < MAX_DISKS && remaining_disks > 0; i++) { char buf[40]; disk.number = i; - if (ioctl(fd, GET_DISK_INFO, &disk) != 0) + if (md_get_disk_info(fd, &disk) != 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -573,7 +573,7 @@ static void add_detached(struct mddev_dev *dv, int fd, char disp) char buf[40]; int sfd; disk.number = i; - if (ioctl(fd, GET_DISK_INFO, &disk) != 0) + if (md_get_disk_info(fd, &disk) != 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -615,7 +615,7 @@ static void add_set(struct mddev_dev *dv, int fd, char set_char) for (i = 0; i < MAX_DISKS && remaining_disks > 0; i++) { char buf[40]; disk.number = i; - if (ioctl(fd, GET_DISK_INFO, &disk) != 0) + if (md_get_disk_info(fd, &disk) != 0) continue; if (disk.major == 0 && disk.minor == 0) continue; @@ -661,9 +661,8 @@ int attempt_re_add(int fd, int tfd, struct mddev_dev *dv, get_linux_version() <= 2006018) goto skip_re_add; disc.number = mdi.disk.number; - if (ioctl(fd, GET_DISK_INFO, &disc) != 0 - || disc.major != 0 || disc.minor != 0 - ) + if (md_get_disk_info(fd, &disc) != 0 || + disc.major != 0 || disc.minor != 0) goto skip_re_add; disc.major = major(rdev); disc.minor = minor(rdev); @@ -805,7 +804,7 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, char *dev; int dfd; disc.number = j; - if (ioctl(fd, GET_DISK_INFO, &disc)) + if (md_get_disk_info(fd, &disc)) continue; if (disc.major==0 && disc.minor==0) continue; @@ -888,7 +887,7 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, for (d = 0; d < MAX_DISKS && found < array->nr_disks; d++) { disc.number = d; - if (ioctl(fd, GET_DISK_INFO, &disc)) + if (md_get_disk_info(fd, &disc)) continue; if (disc.major == 0 && disc.minor == 0) continue; @@ -929,7 +928,7 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, */ for (j = array->raid_disks; j < tst->max_devs; j++) { disc.number = j; - if (ioctl(fd, GET_DISK_INFO, &disc)) + if (md_get_disk_info(fd, &disc)) break; if (disc.major==0 && disc.minor==0) break; @@ -994,7 +993,7 @@ int Manage_add(int fd, int tfd, struct mddev_dev *dv, for (j = 0; j < tst->max_devs; j++) { mdu_disk_info_t disc2; disc2.number = j; - if (ioctl(fd, GET_DISK_INFO, &disc2)) + if (md_get_disk_info(fd, &disc2)) continue; if (disc2.major==0 && disc2.minor==0) continue; diff --git a/Monitor.c b/Monitor.c index 0a0a1e2..2c0f717 100644 --- a/Monitor.c +++ b/Monitor.c @@ -608,7 +608,7 @@ static int check_array(struct state *st, struct mdstat_ent *mdstat, i++) { mdu_disk_info_t disc; disc.number = i; - if (ioctl(fd, GET_DISK_INFO, &disc) >= 0) { + if (md_get_disk_info(fd, &disc) >= 0) { info[i].state = disc.state; info[i].major = disc.major; info[i].minor = disc.minor; diff --git a/Query.c b/Query.c index cae75d1..a2c839c 100644 --- a/Query.c +++ b/Query.c @@ -102,7 +102,7 @@ int Query(char *dev) if (mddev && (fd = open(mddev, O_RDONLY))>=0) { if (md_get_version(fd) >= 9000 && md_get_array_info(fd, &array) >= 0) { - if (ioctl(fd, GET_DISK_INFO, &disc) >= 0 && + if (md_get_disk_info(fd, &disc) >= 0 && makedev((unsigned)disc.major,(unsigned)disc.minor) == stb.st_rdev) activity = "active"; else diff --git a/mdadm.h b/mdadm.h index 7770585..3ab548f 100644 --- a/mdadm.h +++ b/mdadm.h @@ -1406,6 +1406,7 @@ extern int Restore_metadata(char *dev, char *dir, struct context *c, extern int md_get_version(int fd); int md_get_array_info(int fd, struct mdu_array_info_s *array); +int md_get_disk_info(int fd, struct mdu_disk_info_s *disk); extern int get_linux_version(void); extern int mdadm_version(char *version); extern unsigned long long parse_size(char *size); diff --git a/util.c b/util.c index 725877d..aa27e59 100644 --- a/util.c +++ b/util.c @@ -221,6 +221,14 @@ int md_get_array_info(int fd, struct mdu_array_info_s *array) } /* + * Get disk info from the kernel. + */ +int md_get_disk_info(int fd, struct mdu_disk_info_s *disk) +{ + return ioctl(fd, GET_DISK_INFO, disk); +} + +/* * Parse a 128 bit uuid in 4 integers * format is 32 hexx nibbles with options :.<space> separator * If not exactly 32 hex digits are found, return 0 @@ -553,7 +561,7 @@ int enough_fd(int fd) avail = xcalloc(array.raid_disks, 1); for (i = 0; i < MAX_DISKS && array.nr_disks > 0; i++) { disk.number = i; - if (ioctl(fd, GET_DISK_INFO, &disk) != 0) + if (md_get_disk_info(fd, &disk) != 0) continue; if (disk.major == 0 && disk.minor == 0) continue; -- 2.13.6
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