From 1ed8f8c16da99551c6731764759878a0bc243fde Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 8 Apr 2015 20:47:35 +0200 Subject: [PATCH] util: merge change_attr_fd() and chattr_fd() --- src/import/import-raw.c | 4 ++-- src/import/pull-raw.c | 6 +++--- src/journal/journal-file.c | 4 ++-- src/journal/journalctl.c | 2 +- src/shared/copy.c | 2 +- src/shared/util.c | 36 +++++------------------------------- src/shared/util.h | 5 ++--- src/tmpfiles/tmpfiles.c | 3 +-- 8 files changed, 17 insertions(+), 45 deletions(-) diff --git a/src/import/import-raw.c b/src/import/import-raw.c index ad8f806..97e1254 100644 --- a/src/import/import-raw.c +++ b/src/import/import-raw.c @@ -188,7 +188,7 @@ static int raw_import_maybe_convert_qcow2(RawImport *i) { if (converted_fd < 0) return log_error_errno(errno, "Failed to create %s: %m", t); - r = chattr_fd(converted_fd, true, FS_NOCOW_FL); + r = chattr_fd(converted_fd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes on %s: %m", t); @@ -277,7 +277,7 @@ static int raw_import_open_disk(RawImport *i) { if (i->output_fd < 0) return log_error_errno(errno, "Failed to open destination %s: %m", i->temp_path); - r = chattr_fd(i->output_fd, true, FS_NOCOW_FL); + r = chattr_fd(i->output_fd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes on %s: %m", i->temp_path); diff --git a/src/import/pull-raw.c b/src/import/pull-raw.c index ebbe6a9..b65bb0c 100644 --- a/src/import/pull-raw.c +++ b/src/import/pull-raw.c @@ -216,7 +216,7 @@ static int raw_pull_maybe_convert_qcow2(RawPull *i) { if (converted_fd < 0) return log_error_errno(errno, "Failed to create %s: %m", t); - r = chattr_fd(converted_fd, true, FS_NOCOW_FL); + r = chattr_fd(converted_fd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes on %s: %m", t); @@ -292,7 +292,7 @@ static int raw_pull_make_local_copy(RawPull *i) { * performance on COW file systems like btrfs, since it * reduces fragmentation caused by not allowing in-place * writes. */ - r = chattr_fd(dfd, true, FS_NOCOW_FL); + r = chattr_fd(dfd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes on %s: %m", tp); @@ -434,7 +434,7 @@ static int raw_pull_job_on_open_disk(PullJob *j) { if (j->disk_fd < 0) return log_error_errno(errno, "Failed to create %s: %m", i->temp_path); - r = chattr_fd(j->disk_fd, true, FS_NOCOW_FL); + r = chattr_fd(j->disk_fd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes on %s: %m", i->temp_path); diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c index 5a4e7cb..6bbcc6d 100644 --- a/src/journal/journal-file.c +++ b/src/journal/journal-file.c @@ -149,7 +149,7 @@ void journal_file_close(JournalFile *f) { * reenable all the good bits COW usually provides * (such as data checksumming). */ - (void) chattr_fd(f->fd, false, FS_NOCOW_FL); + (void) chattr_fd(f->fd, 0, FS_NOCOW_FL); (void) btrfs_defrag_fd(f->fd); } @@ -2608,7 +2608,7 @@ int journal_file_open( * the expense of data integrity features (which * shouldn't be too bad, given that we do our own * checksumming). */ - r = chattr_fd(f->fd, true, FS_NOCOW_FL); + r = chattr_fd(f->fd, FS_NOCOW_FL, FS_NOCOW_FL); if (r < 0 && r != -ENOTTY) log_warning_errno(r, "Failed to set file attributes: %m"); diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c index b4f88bc..40c84b9 100644 --- a/src/journal/journalctl.c +++ b/src/journal/journalctl.c @@ -1377,7 +1377,7 @@ static int setup_keys(void) { /* Enable secure remove, exclusion from dump, synchronous * writing and in-place updating */ - r = chattr_fd(fd, true, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL); + r = chattr_fd(fd, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL, FS_SECRM_FL|FS_NODUMP_FL|FS_SYNC_FL|FS_NOCOW_FL); if (r < 0) log_warning_errno(errno, "Failed to set file attributes: %m"); diff --git a/src/shared/copy.c b/src/shared/copy.c index 775a339..1282cb8 100644 --- a/src/shared/copy.c +++ b/src/shared/copy.c @@ -372,7 +372,7 @@ int copy_file(const char *from, const char *to, int flags, mode_t mode, unsigned } if (chattr_flags != 0) - (void) chattr_fd(fdt, true, chattr_flags); + (void) chattr_fd(fdt, chattr_flags, (unsigned) -1); r = copy_file_fd(from, fdt, true); if (r < 0) { diff --git a/src/shared/util.c b/src/shared/util.c index de56d98..da75667 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -7678,7 +7678,7 @@ int same_fd(int a, int b) { return fa == fb; } -int chattr_fd(int fd, bool b, unsigned mask) { +int chattr_fd(int fd, unsigned value, unsigned mask) { unsigned old_attr, new_attr; assert(fd >= 0); @@ -7689,21 +7689,17 @@ int chattr_fd(int fd, bool b, unsigned mask) { if (ioctl(fd, FS_IOC_GETFLAGS, &old_attr) < 0) return -errno; - if (b) - new_attr = old_attr | mask; - else - new_attr = old_attr & ~mask; - + new_attr = (old_attr & ~mask) | (value & mask); if (new_attr == old_attr) return 0; if (ioctl(fd, FS_IOC_SETFLAGS, &new_attr) < 0) return -errno; - return 0; + return 1; } -int chattr_path(const char *p, bool b, unsigned mask) { +int chattr_path(const char *p, unsigned value, unsigned mask) { _cleanup_close_ int fd = -1; assert(p); @@ -7715,29 +7711,7 @@ int chattr_path(const char *p, bool b, unsigned mask) { if (fd < 0) return -errno; - return chattr_fd(fd, b, mask); -} - -int change_attr_fd(int fd, unsigned value, unsigned mask) { - unsigned old_attr, new_attr; - - assert(fd >= 0); - - if (mask == 0) - return 0; - - if (ioctl(fd, FS_IOC_GETFLAGS, &old_attr) < 0) - return -errno; - - new_attr = (old_attr & ~mask) |(value & mask); - - if (new_attr == old_attr) - return 0; - - if (ioctl(fd, FS_IOC_SETFLAGS, &new_attr) < 0) - return -errno; - - return 0; + return chattr_fd(fd, value, mask); } int read_attr_fd(int fd, unsigned *ret) { diff --git a/src/shared/util.h b/src/shared/util.h index e7a5d63..b41090b 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -1058,9 +1058,8 @@ int fd_getcrtime_at(int dirfd, const char *name, usec_t *usec, int flags); int same_fd(int a, int b); -int chattr_fd(int fd, bool b, unsigned mask); -int chattr_path(const char *p, bool b, unsigned mask); -int change_attr_fd(int fd, unsigned value, unsigned mask); +int chattr_fd(int fd, unsigned value, unsigned mask); +int chattr_path(const char *p, unsigned value, unsigned mask); int read_attr_fd(int fd, unsigned *ret); int read_attr_path(const char *p, unsigned *ret); diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c index 8c89fb3..16ed100 100644 --- a/src/tmpfiles/tmpfiles.c +++ b/src/tmpfiles/tmpfiles.c @@ -869,14 +869,13 @@ static int path_set_attrib(Item *item, const char *path) { } fd = open(path, O_RDONLY|O_NONBLOCK|O_CLOEXEC); - if (fd < 0) return log_error_errno(errno, "Cannot open \"%s\": %m", path); f = item->attrib_value & item->attrib_mask; if (!S_ISDIR(st.st_mode)) f &= ~FS_DIRSYNC_FL; - r = change_attr_fd(fd, f, item->attrib_mask); + r = chattr_fd(fd, f, item->attrib_mask); if (r < 0) return log_error_errno(errno, "Cannot set attrib for \"%s\", value=0x%08lx, mask=0x%08lx: %m", -- 2.7.4