diff options
author | Daniel Mack <github@zonque.org> | 2015-10-23 10:50:53 +0200 |
---|---|---|
committer | Daniel Mack <github@zonque.org> | 2015-10-23 10:50:53 +0200 |
commit | 952b4473bc392652b1d4c9dae5ec88fd003c4e1d (patch) | |
tree | 8d27afa9b27ceb997013868f2b80a4bb5a993911 /src/tmpfiles/tmpfiles.c | |
parent | c9fc270e462bf2f4eab963bf71234d64b0c4c30f (diff) | |
parent | b0830e21f47109d8a6ba2fc0afbf9b2ca1ffc2a9 (diff) |
Merge pull request #1641 from poettering/btrfs-quota
btrfs quota beef up and various other unrelated changes
Diffstat (limited to 'src/tmpfiles/tmpfiles.c')
-rw-r--r-- | src/tmpfiles/tmpfiles.c | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c index d219764bc6..f636a4d33b 100644 --- a/src/tmpfiles/tmpfiles.c +++ b/src/tmpfiles/tmpfiles.c @@ -69,6 +69,8 @@ typedef enum ItemType { CREATE_DIRECTORY = 'd', TRUNCATE_DIRECTORY = 'D', CREATE_SUBVOLUME = 'v', + CREATE_SUBVOLUME_INHERIT_QUOTA = 'q', + CREATE_SUBVOLUME_NEW_QUOTA = 'Q', CREATE_FIFO = 'p', CREATE_SYMLINK = 'L', CREATE_CHAR_DEVICE = 'c', @@ -180,6 +182,8 @@ static bool takes_ownership(ItemType t) { CREATE_DIRECTORY, TRUNCATE_DIRECTORY, CREATE_SUBVOLUME, + CREATE_SUBVOLUME_INHERIT_QUOTA, + CREATE_SUBVOLUME_NEW_QUOTA, CREATE_FIFO, CREATE_SYMLINK, CREATE_CHAR_DEVICE, @@ -1198,16 +1202,16 @@ static int create_item(Item *i) { case CREATE_DIRECTORY: case TRUNCATE_DIRECTORY: case CREATE_SUBVOLUME: + case CREATE_SUBVOLUME_INHERIT_QUOTA: + case CREATE_SUBVOLUME_NEW_QUOTA: RUN_WITH_UMASK(0000) mkdir_parents_label(i->path, 0755); - if (i->type == CREATE_SUBVOLUME) - RUN_WITH_UMASK((~i->mode) & 0777) { + if (IN_SET(i->type, CREATE_SUBVOLUME, CREATE_SUBVOLUME_INHERIT_QUOTA, CREATE_SUBVOLUME_NEW_QUOTA)) { + RUN_WITH_UMASK((~i->mode) & 0777) r = btrfs_subvol_make(i->path); - log_debug_errno(r, "Creating subvolume \"%s\": %m", i->path); - } - else + } else r = 0; if (IN_SET(i->type, CREATE_DIRECTORY, TRUNCATE_DIRECTORY) || r == -ENOTTY) @@ -1236,6 +1240,24 @@ static int create_item(Item *i) { log_debug("%s directory \"%s\".", creation_mode_verb_to_string(creation), i->path); + if (IN_SET(i->type, CREATE_SUBVOLUME_NEW_QUOTA, CREATE_SUBVOLUME_INHERIT_QUOTA)) { + r = btrfs_subvol_auto_qgroup(i->path, 0, i->type == CREATE_SUBVOLUME_NEW_QUOTA); + if (r == -ENOTTY) { + log_debug_errno(r, "Couldn't adjust quota for subvolume \"%s\" because of unsupported file system or because directory is not a subvolume: %m", i->path); + return 0; + } + if (r == -EROFS) { + log_debug_errno(r, "Couldn't adjust quota for subvolume \"%s\" because of read-only file system: %m", i->path); + return 0; + } + if (r < 0) + return log_error_errno(r, "Failed to adjust quota for subvolume \"%s\": %m", i->path); + if (r > 0) + log_debug("Adjusted quota for subvolume \"%s\".", i->path); + if (r == 0) + log_debug("Quota for subvolume \"%s\" already in place, no change made.", i->path); + } + r = path_set_perms(i, i->path); if (r < 0) return r; @@ -1492,6 +1514,8 @@ static int remove_item(Item *i) { case TRUNCATE_FILE: case CREATE_DIRECTORY: case CREATE_SUBVOLUME: + case CREATE_SUBVOLUME_INHERIT_QUOTA: + case CREATE_SUBVOLUME_NEW_QUOTA: case CREATE_FIFO: case CREATE_SYMLINK: case CREATE_CHAR_DEVICE: @@ -1583,6 +1607,8 @@ static int clean_item(Item *i) { switch (i->type) { case CREATE_DIRECTORY: case CREATE_SUBVOLUME: + case CREATE_SUBVOLUME_INHERIT_QUOTA: + case CREATE_SUBVOLUME_NEW_QUOTA: case TRUNCATE_DIRECTORY: case IGNORE_PATH: case COPY_FILES: @@ -1819,6 +1845,8 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { case CREATE_DIRECTORY: case CREATE_SUBVOLUME: + case CREATE_SUBVOLUME_INHERIT_QUOTA: + case CREATE_SUBVOLUME_NEW_QUOTA: case TRUNCATE_DIRECTORY: case CREATE_FIFO: case IGNORE_PATH: @@ -1983,8 +2011,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { i.mode = m; i.mode_set = true; } else - i.mode = IN_SET(i.type, CREATE_DIRECTORY, CREATE_SUBVOLUME, TRUNCATE_DIRECTORY) - ? 0755 : 0644; + i.mode = IN_SET(i.type, CREATE_DIRECTORY, TRUNCATE_DIRECTORY, CREATE_SUBVOLUME, CREATE_SUBVOLUME_INHERIT_QUOTA, CREATE_SUBVOLUME_NEW_QUOTA) ? 0755 : 0644; if (!isempty(age) && !streq(age, "-")) { const char *a = age; @@ -2186,7 +2213,7 @@ static int read_config_file(const char *fn, bool ignore_enoent) { continue; ORDERED_HASHMAP_FOREACH(j, items, iter) { - if (j->type != CREATE_DIRECTORY && j->type != TRUNCATE_DIRECTORY && j->type != CREATE_SUBVOLUME) + if (!IN_SET(j->type, CREATE_DIRECTORY, TRUNCATE_DIRECTORY, CREATE_SUBVOLUME, CREATE_SUBVOLUME_INHERIT_QUOTA, CREATE_SUBVOLUME_NEW_QUOTA)) continue; if (path_equal(j->path, i->path)) { |