search for: metadump

...9; before dereferencing it. Signed-off-by: Nageswara R Sastry <nasastry@in.ibm.com> --- btrfs-image.c | 1 + 1 file changed, 1 insertion(+) diff --git a/btrfs-image.c b/btrfs-image.c index f2bbcc8..2a33a55 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -491,6 +491,7 @@ static int create_metadump(const char *input, FILE *out, int num_threads, int ret; root = open_ctree(input, 0, 0); + BUG_ON(!root); BUG_ON(root->nodesize != root->leafsize); ret = metadump_init(&metadump, root, out, num_threads, -- 1.7.11.1 -- To unsubscribe from this list: send the line "unsubsc...

...t"; "/dev/sda1"; "/"]; + ["btrfs_image"; "/dev/sda2"; "/1.img"; ""; ""]; + ["btrfs_image_restore"; "/1.img"; "/dev/sda2 /dev/sda3"]]), [] + ]; + + shortdesc = "restore metadump image to btrfs filesystem"; + longdesc = "\ +This used to restore metadump image to btrfs filesystem."}; + ] (* Non-API meta-commands available only in guestfish. diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 534b992..515f19a 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_P...

...ot;%d\n", key.type); diff --git a/man/btrfs-image.8.in b/man/btrfs-image.8.in index d5ba594..3f51f3f 100644 --- a/man/btrfs-image.8.in +++ b/man/btrfs-image.8.in @@ -17,7 +17,10 @@ is the image file that btrfs-image creates. When used with \fB-r\fP option, .SH OPTIONS .TP \fB\-r\fP -restore metadump image. +Restore metadump image. By default, this fixes super's chunk tree, by +using 1 stripe pointing to primary device, so that file system can be +restored by running tree log reply if possible. To restore without +changing number of stripes in chunk tree check \fB-o\fP option. .TP \fB\-c\...

This series adds new APIs to support btrfstune. Chen Hanxiao (2): New API: btrfs-image New API: btrfs_image_restore daemon/btrfs.c | 87 ++++++++++++++++++++++++++++++++++++++++++++++++++++ generator/actions.ml | 45 +++++++++++++++++++++++++++ src/MAX_PROC_NR | 2 +- 3 files changed, 133 insertions(+), 1 deletion(-) -- 2.1.0

...gned-off-by: Liu Bo <bo.li.liu@oracle.com> --- btrfs-image.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/btrfs-image.c b/btrfs-image.c index 739ae35..e5ff795 100644 --- a/btrfs-image.c +++ b/btrfs-image.c @@ -798,9 +798,9 @@ static int copy_from_extent_tree(struct metadump_struct *metadump, bytenr = key.objectid; if (key.type == BTRFS_METADATA_ITEM_KEY) - num_bytes = key.offset; - else num_bytes = extent_root->leafsize; + else + num_bytes = key.offset; if (btrfs_item_size_nr(leaf, path->slots[0]) > sizeof(*ei)) { ei = btrfs_item_pt...

...e +is the special file corresponding to the device containing a btrfs filesystem. +(e.g \fI/dev/sdXX\fP). +.I target +is the image file that btrfs-image creates. When used with \fB-r\fP option, +\fBbtrfs-image\fP restores the image file from source into target. +.SH OPTIONS +.TP +\fB\-r\fP +restore metadump image. +.TP +\fB\-c\fR \fIvalue\fP +compression level (0 ~ 9). +.TP +\fB\-t\fR \fIvalue\fP +number of threads (1 ~ 32) to be used to process the image dump or restore. +.SH AVAILABILITY +.B btrfs-image +is part of btrfs-progs. Btrfs is currently under heavy development, +and not suitable for any us...

Unfortunately my laptop deadlocks from time to time, and too often it triggers this bug in btrfs which is quite hard to recover from. The bigger problem is that all the user sees (if anything) is seemingly unrelated info, namely, "RIP: btrfs_num_copies+0x42/0x0b" or somesuch http://marc.merlins.org/tmp/btrfs_num_copies.jpg It''s only if you have serial console, or netconsole,