diff options
Diffstat (limited to 'meta/recipes-core/systemd/systemd/0006-journal-Use-posix-fallocate-only-if-available.patch')
-rw-r--r-- | meta/recipes-core/systemd/systemd/0006-journal-Use-posix-fallocate-only-if-available.patch | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/meta/recipes-core/systemd/systemd/0006-journal-Use-posix-fallocate-only-if-available.patch b/meta/recipes-core/systemd/systemd/0006-journal-Use-posix-fallocate-only-if-available.patch deleted file mode 100644 index 631dd77465..0000000000 --- a/meta/recipes-core/systemd/systemd/0006-journal-Use-posix-fallocate-only-if-available.patch +++ /dev/null @@ -1,96 +0,0 @@ -From 34a61b6c9eed3fad360066fb63132ebc7e0aaaa6 Mon Sep 17 00:00:00 2001 -From: Khem Raj <raj.khem@gmail.com> -Date: Fri, 20 Feb 2015 05:12:48 +0000 -Subject: [PATCH 06/11] journal: Use posix fallocate only if available - -Some architecture ports in uclibc did not support it in past - -Upstream-Status: Denied [no desire for uclibc support] - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Chen Qi <Qi.Chen@windriver.com> ---- - src/journal/journal-file.c | 16 +++++++++++++++- - src/journal/journald-kmsg.c | 15 ++++++++++++++- - 2 files changed, 29 insertions(+), 2 deletions(-) - -diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c -index 2845e05..9431171 100644 ---- a/src/journal/journal-file.c -+++ b/src/journal/journal-file.c -@@ -36,6 +36,8 @@ - #include "compress.h" - #include "fsprg.h" - -+#include "config.h" -+ - #define DEFAULT_DATA_HASH_TABLE_SIZE (2047ULL*sizeof(HashItem)) - #define DEFAULT_FIELD_HASH_TABLE_SIZE (333ULL*sizeof(HashItem)) - -@@ -354,7 +356,7 @@ static int journal_file_fstat(JournalFile *f) { - - static int journal_file_allocate(JournalFile *f, uint64_t offset, uint64_t size) { - uint64_t old_size, new_size; -- int r; -+ int r = 0; - - assert(f); - -@@ -418,9 +420,21 @@ static int journal_file_allocate(JournalFile *f, uint64_t offset, uint64_t size) - /* Note that the glibc fallocate() fallback is very - inefficient, hence we try to minimize the allocation area - as we can. */ -+#ifdef HAVE_POSIX_FALLOCATE - r = posix_fallocate(f->fd, old_size, new_size - old_size); - if (r != 0) - return -r; -+#else -+ /* Write something every 512 bytes to make sure the block is allocated */ -+ uint64_t len = new_size - old_size; -+ uint64_t offset = old_size; -+ for (offset += (len-1) % 512; len > 0; offset += 512) { -+ len -= 512; -+ if (pwrite(f->fd, "", 1, offset) != 1) -+ return -errno; -+ } -+ -+#endif /* HAVE_POSIX_FALLOCATE */ - - f->header->arena_size = htole64(new_size - le64toh(f->header->header_size)); - -diff --git a/src/journal/journald-kmsg.c b/src/journal/journald-kmsg.c -index c4216c4..a998ed5 100644 ---- a/src/journal/journald-kmsg.c -+++ b/src/journal/journald-kmsg.c -@@ -436,6 +436,7 @@ fail: - int server_open_kernel_seqnum(Server *s) { - _cleanup_close_ int fd; - uint64_t *p; -+ int r = 0; - - assert(s); - -@@ -449,7 +450,19 @@ int server_open_kernel_seqnum(Server *s) { - return 0; - } - -- if (posix_fallocate(fd, 0, sizeof(uint64_t)) < 0) { -+#ifdef HAVE_POSIX_FALLOCATE -+ r = posix_fallocate(fd, 0, sizeof(uint64_t)); -+#else -+ /* Use good old method to write zeros into the journal file -+ perhaps very inefficient yet working. */ -+ char *buf = alloca(sizeof(uint64_t)); -+ off_t oldpos = lseek(fd, 0, SEEK_CUR); -+ bzero(buf, sizeof(uint64_t)); -+ lseek(fd, 0, SEEK_SET); -+ r = write(fd, buf, sizeof(uint64_t)); -+ lseek(fd, oldpos, SEEK_SET); -+#endif /* HAVE_POSIX_FALLOCATE */ -+ if (r < 0) { - log_error_errno(errno, "Failed to allocate sequential number file, ignoring: %m"); - return 0; - } --- -2.1.4 - |