From 2ac0841d6fcb577cb485140d70f5b5355a45b85a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 30 May 2024 04:23:16 +0200 Subject: Merging upstream version 252.26. Signed-off-by: Daniel Baumann --- src/shared/discover-image.c | 62 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 48 insertions(+), 14 deletions(-) (limited to 'src/shared/discover-image.c') diff --git a/src/shared/discover-image.c b/src/shared/discover-image.c index 0350dd1..11729d0 100644 --- a/src/shared/discover-image.c +++ b/src/shared/discover-image.c @@ -202,6 +202,44 @@ static int extract_pretty(const char *path, const char *suffix, char **ret) { return 0; } +static int image_update_quota(Image *i, int fd) { + _cleanup_close_ int fd_close = -EBADF; + int r; + + assert(i); + + if (IMAGE_IS_VENDOR(i) || IMAGE_IS_HOST(i)) + return -EROFS; + + if (i->type != IMAGE_SUBVOLUME) + return -EOPNOTSUPP; + + if (fd < 0) { + fd_close = open(i->path, O_CLOEXEC|O_NOCTTY|O_DIRECTORY); + if (fd_close < 0) + return -errno; + fd = fd_close; + } + + r = btrfs_quota_scan_ongoing(fd); + if (r < 0) + return r; + if (r > 0) + return 0; + + BtrfsQuotaInfo quota; + r = btrfs_subvol_get_subtree_quota_fd(fd, 0, "a); + if (r < 0) + return r; + + i->usage = quota.referenced; + i->usage_exclusive = quota.exclusive; + i->limit = quota.referenced_max; + i->limit_exclusive = quota.exclusive_max; + + return 1; +} + static int image_make( const char *pretty, int dfd, @@ -288,19 +326,7 @@ static int image_make( if (r < 0) return r; - if (btrfs_quota_scan_ongoing(fd) == 0) { - BtrfsQuotaInfo quota; - - r = btrfs_subvol_get_subtree_quota_fd(fd, 0, "a); - if (r >= 0) { - (*ret)->usage = quota.referenced; - (*ret)->usage_exclusive = quota.exclusive; - - (*ret)->limit = quota.referenced_max; - (*ret)->limit_exclusive = quota.exclusive_max; - } - } - + (void) image_update_quota(*ret, fd); return 0; } } @@ -1002,6 +1028,7 @@ int image_read_only(Image *i, bool b) { return -EOPNOTSUPP; } + i->read_only = b; return 0; } @@ -1100,6 +1127,8 @@ int image_path_lock(const char *path, int operation, LockFile *global, LockFile } int image_set_limit(Image *i, uint64_t referenced_max) { + int r; + assert(i); if (IMAGE_IS_VENDOR(i) || IMAGE_IS_HOST(i)) @@ -1115,7 +1144,12 @@ int image_set_limit(Image *i, uint64_t referenced_max) { (void) btrfs_qgroup_set_limit(i->path, 0, referenced_max); (void) btrfs_subvol_auto_qgroup(i->path, 0, true); - return btrfs_subvol_set_subtree_quota_limit(i->path, 0, referenced_max); + r = btrfs_subvol_set_subtree_quota_limit(i->path, 0, referenced_max); + if (r < 0) + return r; + + (void) image_update_quota(i, -EBADF); + return 0; } int image_read_metadata(Image *i) { -- cgit v1.2.3