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Since commit 67f9fd91f93c, the code to wait for the read to complete has
been dead. That commit wrongly stated that the read was synchronous
already; this seems to have been a confusion about which ->readpage
operation was being called. Instead of reintroducing an asynchronous
version of read_mapping_page(), call the readahead code directly to
submit all reads first before waiting for them in read_mapping_page().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Remove the open-coding of filemap_fdatawait_range().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If a page can't be written back, we need to call mapping_set_error(),
not clear the page's Uptodate flag. Also remove the clearing of PageError
on success; that flag is used for read errors, not write errors.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Since we actually know what error happened, we can report it instead
of having the generic code return -EIO for pages that were unlocked
without being marked uptodate. Also remove a test of PageError since
we have the return value at this point.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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We can cache this information in a local variable instead of communicating
from one part of the function to another via folio flags.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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The pagecache handles readpage failing by itself; it doesn't want
filesystems to remove pages from under it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If a buffer is completed with an error, its uptodate flag will be clear,
so the page_uptodate variable will have been set to 0. There's no
need to check PageError here.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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The page cache clears the error bit before calling ->read_folio(),
so this condition could never have been true.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Just because there has been a read error doesn't mean we should avoid
marking this part of the folio as uptodate. Indeed, it may overwrite
the error part of the folio and let us mark the entire folio uptodate.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Pages returned from read_mapping_page() are always uptodate, so
this check is unnecessary.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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read_mapping_folio() returns an ERR_PTR if the folio is not
uptodate, so this check is simply dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not
a page with PageError set, or a page that is not Uptodate, so this is
dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this test is not needed.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this test is not needed.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() encounters an error, it returns an errno, not a
page with PageError set, so this is dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If read_mapping_page() sees a page with PageError set, it returns a
PTR_ERR(). Checking PageError again is simply dead code.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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Add information on the use of 'file', whether ->read_folio should be
synchronous, and steer new callers towards calling read_mapping_folio()
instead of calling ->read_folio directly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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By passing ->read_folio to filemap_read_folio(), we can use
filemap_read_folio() in do_read_cache_folio().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If the call to filler() returns AOP_TRUNCATED_PAGE, we need to
retry the page cache lookup.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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No functionality change intended; this simply moves code around to
disentangle the function a little.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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The 'extern' keyword is not necessary and removing it lets us shorten
some lines.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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All callers of find_get_pages_range(), pagevec_lookup_range() and
pagevec_lookup() have now been removed.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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This is a straightforward conversion.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Change the guts of check_move_unevictable_pages() over to use folios
and add check_move_unevictable_pages() as a wrapper.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Use folios throughout.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Use folios throughout this function. That removes the last caller of
huge_pagevec_release(), so delete that too.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert this function to use folios throughout.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Acked-by: Chao Yu <chao@kernel.org>
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The called functions all use pages, so just convert back to a page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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If the folio is large, it may overlap the beginning or end of the
unused range. If it does, we need to avoid invalidating it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Use a folio throughout this function.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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This is the equivalent of find_get_pages() but fills a folio_batch
instead of an array of pages.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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These functions have no more users, so delete them.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
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Remove the last caller of add_to_page_cache()
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
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Pass in a folio from mpage_readahead(). Also convert map_buffer_to_page()
to map_buffer_to_folio(). There's still no support for large folios here;
there are numerous places which depend on the folio being PAGE_SIZE.
The VM_BUG_ON prevents anyone from thinking that it will work.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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This wrapper is no longer used. Remove it and all references to it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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If the last folio in a file is split as a result of truncation,
we simply clear the dirty bits for the pages we're discarding.
That causes NR_FILE_DIRTY (among other counters) to be thrown off
and eventually Linux will hang in balance_dirty_pages_ratelimited()
Reported-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Darrick J. Wong <djwong@kernel.org>
Fixes: d68eccad3706 ("mm/filemap: Allow large folios to be added to the page cache")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull IIO driver fixes from Greg KH:
"Here are a set of IIO driver fixes for 5.19-rc4. Jonathan said it best
in his pull request to me, so I'll just quote it here below, as that's
the only changes we have right now for the char-misc driver tree:
testing:
- Fix a missing MODULE_LICENSE() warning by restricting possible
build configs.
Various drivers:
- Fix ordering of iio_get_trigger() being called before
iio_trigger_register()
adi,admv1014:
- Fix dubious x & !y warning.
adi,axi-adc:
- Fix missing of_node_put() in error and normal paths.
aspeed,adc:
- Add missing of_node_put()
fsl,mma8452:
- Fix broken probing from device tree.
- Drop check on return value of i2c write to device to cause reset
as ACK will be missing (device reset before sending it).
fsl,vf610:
- Fix documentation of in_conversion_mode ABI.
iio-trig-sysfs:
- Ensure irq work has finished before freeing the trigger.
invensense,mpu3050:
- Disable regulators in error path.
invensense,icm42600:
- Fix collision of enum value of 0 with error path where 0 is no
match.
renesas,rzg2l_Adc:
- Add missing fwnode_handle_put() in error path.
rescale:
- Fix a boolean logic bug for detection of raw + scale affecting
an obscure corner case.
semtech,sx9324:
- Check return value of read of pin_defs
st,stm32-adc:
- Fix interaction across ADC instances for some supported devices.
- Drop false spurious IRQ messages.
- Fix calibration value handling. If we can't calibrate don't
expose the vref_int channel.
- Fix maximum clock rate for stm32pm15x
ti,ads131e08:
- Add missing fwnode_handle_put() in error paths.
xilinx,ams:
- Fix variable checked for error from platform_get_irq()
x-powers,axp288:
- Overide TS_PIN bias current for boards where it is not correctly
initialized.
yamaha,yas530:
- Fix inverted check on calibration data being all zeros.
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (26 commits)
iio:proximity:sx9324: Check ret value of device_property_read_u32_array()
iio: accel: mma8452: ignore the return value of reset operation
iio: adc: stm32: fix maximum clock rate for stm32mp15x
iio: adc: stm32: fix vrefint wrong calibration value handling
iio: imu: inv_icm42600: Fix broken icm42600 (chip id 0 value)
iio: adc: vf610: fix conversion mode sysfs node name
iio: adc: adi-axi-adc: Fix refcount leak in adi_axi_adc_attach_client
iio: test: fix missing MODULE_LICENSE for IIO_RESCALE=m
iio:humidity:hts221: rearrange iio trigger get and register
iio:chemical:ccs811: rearrange iio trigger get and register
iio:accel:mxc4005: rearrange iio trigger get and register
iio:accel:kxcjk-1013: rearrange iio trigger get and register
iio:accel:bma180: rearrange iio trigger get and register
iio: afe: rescale: Fix boolean logic bug
iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data
iio: adc: stm32: Fix IRQs on STM32F4 by removing custom spurious IRQs message
iio: adc: stm32: Fix ADCs iteration in irq handler
iio: adc: ti-ads131e08: add missing fwnode_handle_put() in ads131e08_alloc_channels()
iio: adc: rzg2l_adc: add missing fwnode_handle_put() in rzg2l_adc_parse_properties()
iio: trigger: sysfs: fix use-after-free on remove
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes and new device ids for 5.19-rc4
for a few small reported issues. They include:
- new usb-serial driver ids
- MAINTAINERS file update to properly catch the USB dts files
- dt-bindings fixes for reported build warnings
- xhci driver fixes for reported problems
- typec Kconfig dependancy fix
- raw_gadget fuzzing fixes found by syzbot
- chipidea driver bugfix
- usb gadget uvc bugfix
All of these have been in linux-next with no reported issues"
* tag 'usb-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: chipidea: udc: check request status before setting device address
USB: gadget: Fix double-free bug in raw_gadget driver
xhci-pci: Allow host runtime PM as default for Intel Meteor Lake xHCI
xhci-pci: Allow host runtime PM as default for Intel Raptor Lake xHCI
xhci: turn off port power in shutdown
xhci: Keep interrupt disabled in initialization until host is running.
USB: serial: option: add Quectel RM500K module support
USB: serial: option: add Quectel EM05-G modem
USB: serial: pl2303: add support for more HXN (G) types
usb: typec: wcove: Drop wrong dependency to INTEL_SOC_PMIC
usb: gadget: uvc: fix list double add in uvcg_video_pump
dt-bindings: usb: ehci: Increase the number of PHYs
dt-bindings: usb: ohci: Increase the number of PHYs
usb: gadget: Fix non-unique driver names in raw-gadget driver
MAINTAINERS: add include/dt-bindings/usb to USB SUBSYSTEM
USB: serial: option: add Telit LE910Cx 0x1250 composition
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Some bug fixes and a trivial cleanup"
* tag 'loongarch-fixes-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Make compute_return_era() return void
LoongArch: Fix wrong fpu version
LoongArch: Fix EENTRY/MERRENTRY setting in setup_tlb_handler()
LoongArch: Fix sleeping in atomic context in setup_tlb_handler()
LoongArch: Fix the _stext symbol address
LoongArch: Fix the !THP build
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs fixes from Jaegeuk Kim:
"Some urgent fixes to avoid generating corrupted inodes caused by
compressed and inline_data files.
In addition, avoid a wrong error report which prevents a roll-forward
recovery"
* tag 'f2fs-for-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: do not count ENOENT for error case
f2fs: fix iostat related lock protection
f2fs: attach inline_data after setting compression
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compute_return_era() always returns 0, make it return void,
and then no need to check its return value for its callers.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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According to the configuration information accessible by the CPUCFG
instruction in LoongArch Reference Manual [1], FP_ver is stored in
bit [5: 3] of CPUCFG2, the current code to get fpu version is wrong,
use CPUCFG2_FPVERS to fix it.
[1] https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
Fixes: 628c3bb40e9a ("LoongArch: Add boot and setup routines")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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setup_tlb_handler() is expected to set per-cpu exception handlers, but
it only set the TLBRENTRY successfully because of copy & paste errors,
so fix it.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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