- 19 12月, 2012 3 次提交
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由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
Various header files rely on qemu-char.h including qemu-config.h or main-loop.h, but they really do not need qemu-char.h at all (particularly interesting is the case of the block layer!). Clean this up, and also add missing inclusions of qemu-char.h itself. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 12 12月, 2012 3 次提交
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由 Kevin Wolf 提交于
This allows more systematic AIO testing. The patch adds three new operations to blkdebug: * Setting a "breakpoint" on a blkdebug event. The next request that triggers this breakpoint is suspended and is tagged with a name. The breakpoint is removed after a request has triggered it. * A suspended request (identified by it's tag) can be resumed * It's possible to check whether a suspended request with a given tag exists. This can be used for waiting for an event. Ideally, we would instead tag requests right when they are created and set breakpoints for individual requests. However, at this point the block layer doesn't allow this easily, and breakpoints that trigger for any request already allow a lot of useful testing. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
The cleanup work to remove a rule depends on the type of the rule. It's easy for the existing rules as there is no data that must be cleaned up and is specific to a type yet, but the next patch will change this. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
As soon as new rules can be set during runtime, as introduced by the next patch, blkdebug makes sense even without a config file. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 15 11月, 2012 1 次提交
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由 Stefan Hajnoczi 提交于
Now that AIOPool no longer keeps a freelist, it isn't really a "pool" anymore. Rename it to AIOCBInfo and make it const since it no longer needs to be modified. Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 29 9月, 2012 1 次提交
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由 Paolo Bonzini 提交于
Currently it is impossible to write a blkdebug script that ping-pongs between two states, because the second set-state rule will use the state that is set in the first. If you have [set-state] event = "..." state = "1" new_state = "2" [set-state] event = "..." state = "2" new_state = "1" for example the state will remain locked at 1. This can be fixed by first processing all rules, and then setting the state. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 09 7月, 2012 5 次提交
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由 Paolo Bonzini 提交于
This makes blkdebug scripts more powerful, and independent of the exact sequence of operations performed by streaming. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Paolo Bonzini 提交于
This prepares for the next patch, where some active rules may actually not trigger depending on input to readv/writev. Store the active rules in a SIMPLEQ (so that it can be emptied easily with QSIMPLEQ_INIT), and fetch the errno/once/immediately arguments from there. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Paolo Bonzini 提交于
This is required when using blkdebug with raw format. Unlike qcow2/QED, raw asks blkdebug for the length of the file, it doesn't get it from a header. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Paolo Bonzini 提交于
These are unused, except (by mistake more or less) in QED. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 05 4月, 2012 1 次提交
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由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 26 1月, 2012 1 次提交
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由 Stefan Hajnoczi 提交于
Most of the codebase as been converted to use glib memory allocation functions. There are still a few instances of malloc/calloc in the block layer and qemu-io. Replace them, especially since they do not check the strdup/malloc/calloc return value. Reported-by: NDr David Alan Gilbert <davidagilbert@uk.ibm.com> Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 21 10月, 2011 1 次提交
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由 Stefan Hajnoczi 提交于
Block drivers now only need to provide either of .bdrv_co_flush, .bdrv_aio_flush() or for legacy drivers .bdrv_flush(). Remove the redundant .bdrv_flush() implementations. [Paolo Bonzini: change raw driver to bdrv_co_flush] Signed-off-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 21 8月, 2011 1 次提交
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由 Anthony Liguori 提交于
qemu_malloc/qemu_free no longer exist after this commit. Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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- 04 11月, 2010 1 次提交
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由 Kevin Wolf 提交于
This changes bdrv_flush to return 0 on success and -errno in case of failure. It's a requirement for implementing proper error handle in users of bdrv_flush. Signed-off-by: NKevin Wolf <kwolf@redhat.com> Reviewed-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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- 18 9月, 2010 1 次提交
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由 Blue Swirl 提交于
The signedness of enum types depend on the compiler implementation. Therefore the check for negative values may or may not be meaningful. Fix by explicitly casting to a signed integer. Since the values are also checked earlier against event_names table, this is an internal error. Change the 'if' to 'assert'. This also avoids a warning with GCC flag -Wtype-limits. Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
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- 02 7月, 2010 3 次提交
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由 Kevin Wolf 提交于
state = 0 in rules means that the rule is valid for any state. Therefore it's impossible to have a rule that works only in the initial state. This changes the initial state from 0 to 1 to make this possible. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Forgetting to free them means that the next instance inherits all rules and gets its own rules only additionally. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
The list head was initialized to point to the wrong list, so all actions ended up being handled as inject-error even if they were set-state in fact. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 14 6月, 2010 1 次提交
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由 Paul Brook 提交于
Move inclusion of stdbool.h to common header files, instead of including in an ad-hoc manner. Signed-off-by: NPaul Brook <paul@codesourcery.com>
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- 17 5月, 2010 1 次提交
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由 Kevin Wolf 提交于
Use container_of for one direction and &acb->common for the other one. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 03 5月, 2010 1 次提交
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由 Kevin Wolf 提交于
Format drivers shouldn't need to bother with things like file names, but rather just get an open BlockDriverState for the underlying protocol. This patch introduces this behaviour for bdrv_open implementation. For protocols which need to access the filename to open their file/device/connection/... a new callback bdrv_file_open is introduced which doesn't get an underlying file opened. For now, also some of the more obscure formats use bdrv_file_open because they open() the file themselves instead of using the block.c functions. They need to be fixed in later patches. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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- 23 4月, 2010 4 次提交
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由 Kevin Wolf 提交于
This adds blkdebug events to qcow2 to allow injecting I/O errors in specific places. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Block drivers can trigger a blkdebug event whenever they reach a place where it could be useful to inject an error for testing/debugging purposes. Rules are read from a blkdebug config file and describe which action is taken when an event is triggered. For now this is only injecting an error (with a few options) or changing the state (which is an integer). Rules can be declared to be active only in a specific state; this way later rules can distiguish on which path we came to trigger their event. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
Add a mechanism to inject errors instead of passing requests on. With no further patches applied, you can use it by setting inject_errno in gdb. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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由 Kevin Wolf 提交于
This isn't doing anything interesting. It creates the blkdebug block driver as a protocol which just passes everything through to raw. Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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