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| * mfd: Add regulator support for twl6040 VIO, V2V1 suppliesPeter Ujfalusi2012-05-09
| | | | | | | | | | | | | | | | | | | | | | | | twl6040 has three power supply source: VBAT needs to be connected to VBAT, VIO, and V2V1. Add regulator support for the VIO, V2V1 supplies. Initially handle the two supply together with bulk commands. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Allow for const stmpe keyboard dataLinus Walleij2012-05-09
| | | | | | | | | | | | | | | | | | | | Since it's not like we will re-arrange the keys at run-time, it seems proper to allow the keymap data to be const. This solves a compilation warning in ux500. Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * watchdog: Convert iTCO_wdt driver to mfd modelAaron Sierra2012-05-09
| | | | | | | | | | | | | | | | | | | | This patch converts the iTCO_wdt driver to use the multi-function device driver model. It uses resources discovered by the lpc_ich driver, so that it no longer does its own PCI scanning. Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Add LM3533 lighting-power core driverJohan Hovold2012-05-09
| | | | | | | | | | | | | | | | | | | | | | Add support for National Semiconductor / TI LM3533 lighting power chips. This is the core driver which provides register access over I2C and registers the ambient-light-sensor, LED and backlight sub-drivers. Signed-off-by: Johan Hovold <jhovold@gmail.com> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * pci_ids: Add Intel Centerton Legacy Block DeviceIDSeth Heasley2012-05-09
| | | | | | | | | | | | | | This patch adds the Integrated Legacy Block DeviceID for the Centerton CPU. It will be used in the GPIO and Multifunction Devices driver. Signed-off-by: Seth Heasley <seth.heasley@intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Add driver for STA2X11 MFD blockAlessandro Rubini2012-05-09
| | | | | | | | | | | | | | | | | | | | | | This also introduces <asm/sta2x11.h> to export a function that is in the base sta2x11 support patches. The header will increase with other prototypes and constants over time. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Read CUST_ID from the wm8994 deviceMark Brown2012-05-07
| | | | | | | | | | | | | | Read CUST_ID from the device and log it for diagnostics. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Convert wm8350 physical I/O to regmap APIMark Brown2012-05-07
| | | | | | | | | | | | | | | | | | The driver still uses a custom cache implementation but the underlying physical I/O is now done using the regmap API, saving some code and avoiding allocating enormous scratch arrays on the stack. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Deny ab8500 suspend if i2c transfer is ongoingJonas Aaberg2012-05-01
| | | | | | | | | | | | | | | | | | | | | | If we are in the middle of an I2C transfer we need to deny suspend of the AB8500 core. Implement an atomic reference counter for the I2C operations to make sure we don't do this. Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com> Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Add new resources on ab8500 AB8505 and AB9540Virupax Sadashivpetimath2012-05-01
| | | | | | | | | | | | | | | | | | | | | | The AB8505 and AB9540 has extended support for micro USB resistance detection, used for detecting chargers. Let's register resources for this resource. Let's also split off the separate codec device for AB9540. Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Add support for tps65910 device sleepLaxman Dewangan2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | Adding support for device sleep through the external input control signal "SLEEP". Changing the SLEEP signal state can switch the device into SLEEP and ACTIVE state. Also adding sleep configuration for different resources so that they should be keep on during sleep state of device. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Set asic3 DS1WM clock_ratePaul Parsons2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The mfd/asic3 driver does not set the ds1wm_driver_data clock_rate field before passing the structure to the DS1WM w1 busmaster driver. This was not noticed before commit 26a6afb, because ds1wm_find_divisor() unintentionally returned the correct divisor when a zero clock_rate was passed in. However after that commit DS1WM fails a zero clock_rate: ds1wm ds1wm: no suitable divisor for 0Hz clock This patch sets the ds1wm_driver_data clock_rate field. Signed-off-by: Paul Parsons <lost.distance@yahoo.com> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| * mfd: Add LPC driver for Intel ICH chipsetsAaron Sierra2012-05-01
| | | | | | | | | | | | | | | | | | | | | | This driver currently creates resources for use by a forthcoming ICH chipset GPIO driver. It could be expanded to create the resources for converting the esb2rom (mtd) and iTCO_wdt (wdt), and potentially more, drivers to use the mfd model. Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* | Merge tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds2012-05-29
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull NFS client updates from Trond Myklebust: "New features include: - Rewrite the O_DIRECT code so that it can share the same coalescing and pNFS functionality as the page cache code. - Allow the server to provide hints as to when we should use pNFS, and when it is more efficient to read and write through the metadata server. - NFS cache consistency updates: * Use the ctime to emulate a change attribute for NFSv2/v3 so that all NFS versions can share the same cache management code. * New cache management code will only look at the change attribute and size attribute when deciding whether or not our cached data is still valid or not. * Don't request NFSv4 post-op attributes on writes in cases such as O_DIRECT, where we don't care about data cache consistency, or when we have a write delegation, and know that our cache is still consistent. * Don't request NFSv4 post-op attributes on operations such as COMMIT, where there are no expected metadata updates. * Don't request NFSv4 directory post-op attributes in cases where the operations themselves already return change attribute updates: i.e. operations such as OPEN, CREATE, REMOVE, LINK and RENAME. - Speed up 'ls' and friends by using READDIR rather than READDIRPLUS if we detect no attempts to lookup filenames. - Improve the code sharing between NFSv2/v3 and v4 mounts - NFSv4.1 state management efficiency improvements - More patches in preparation for NFSv4/v4.1 migration functionality." Fix trivial conflict in fs/nfs/nfs4proc.c that was due to the dcache qstr name initialization changes (that made the length/hash a 64-bit union) * tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (146 commits) NFSv4: Add debugging printks to state manager NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIO NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHE NFSv4.1: nfs4_reset_session should use nfs4_handle_reclaim_lease_error NFSv4.1: Handle other occurrences of NFS4ERR_CONN_NOT_BOUND_TO_SESSION NFSv4.1: Handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION in the state manager NFSv4.1: Handle errors in nfs4_bind_conn_to_session NFSv4.1: nfs4_bind_conn_to_session should drain the session NFSv4.1: Don't clobber the seqid if exchange_id returns a confirmed clientid NFSv4.1: Add DESTROY_CLIENTID NFSv4.1: Ensure we use the correct credentials for bind_conn_to_session NFSv4.1: Ensure we use the correct credentials for session create/destroy NFSv4.1: Move NFSPROC4_CLNT_BIND_CONN_TO_SESSION to the end of the operations NFSv4.1: Handle NFS4ERR_SEQ_MISORDERED when confirming the lease NFSv4: When purging the lease, we must clear NFS4CLNT_LEASE_CONFIRM NFSv4: Clean up the error handling for nfs4_reclaim_lease NFSv4.1: Exchange ID must use GFP_NOFS allocation mode nfs41: Use BIND_CONN_TO_SESSION for CB_PATH_DOWN* nfs4.1: add BIND_CONN_TO_SESSION operation NFSv4.1 test the mdsthreshold hint parameters ...
| * | NFSv4.1: Don't clobber the seqid if exchange_id returns a confirmed clientidTrond Myklebust2012-05-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the EXCHGID4_FLAG_CONFIRMED_R flag is set, the client is in theory supposed to already know the correct value of the seqid, in which case RFC5661 states that it should ignore the value returned. Also ensure that if the sanity check in nfs4_check_cl_exchange_flags fails, then we must not change the nfs_client fields. Finally, clean up the code: we don't need to retest the value of 'status' unless it can change. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4.1: Add DESTROY_CLIENTIDTrond Myklebust2012-05-26
| | | | | | | | | | | | | | | | | | Ensure that we destroy our lease on last unmount Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4.1: Move NFSPROC4_CLNT_BIND_CONN_TO_SESSION to the end of the operationsTrond Myklebust2012-05-25
| | | | | | | | | | | | | | | | | | | | | For backward compatibility with nfs-utils. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Weston Andros Adamson <dros@netapp.com>
| * | nfs4.1: add BIND_CONN_TO_SESSION operationWeston Andros Adamson2012-05-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the BIND_CONN_TO_SESSION operation which is needed for upcoming SP4_MACH_CRED work and useful for recovering from broken connections without destroying the session. Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4.1 add nfs_inode book keeping for mdsthresholdAndy Adamson2012-05-24
| | | | | | | | | | | | | | | | | | | | | | | | Keep track of the number of bytes read or written via buffered, direct, and mem-mapped i/o for use by mdsthreshold size_io hints. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4.1 cache mdsthreshold values on OPENAndy Adamson2012-05-24
| | | | | | | | | | | | | | | Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFSv4.1 mdsthreshold attribute xdrAndy Adamson2012-05-24
| | | | | | | | | | | | | | | | | | | | | | | | We only support one layout type per file system, so one threshold_item4 per mdsthreshold4. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: EXCHANGE_ID should save the server major and minor IDChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | Save the server major and minor ID results from EXCHANGE_ID, as they are needed for detecting server trunking. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Add nfs_client behavior flagsChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "noresvport" and "discrtry" can be passed to nfs_create_rpc_client() by setting flags in the passed-in nfs_client. This change makes it easy to add new flags. Note that these settings are now "sticky" over the lifetime of a struct nfs_client, and may even be copied when an nfs_client is cloned. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Refactor nfs_get_client(): initialize nfs_clientChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: Continue to rationalize the locking in nfs_get_client() by moving the logic that handles the case where a matching server IP address is not found. When we support server trunking detection, client initialization may return a different nfs_client struct than was passed to it. Change the synopsis of the init_client methods to return an nfs_client. The client initialization logic in nfs_get_client() is not much more than a wrapper around ->init_client. It's simpler to keep the little bits of error handling in the version-specific init_client methods. No behavior change is expected. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Always use the same SETCLIENTID boot verifierChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently our NFS client assigns a unique SETCLIENTID boot verifier for each server IP address it knows about. It's set to CURRENT_TIME when the struct nfs_client for that server IP is created. During the SETCLIENTID operation, our client also presents an nfs_client_id4 string to servers, as an identifier on which the server can hang all of this client's NFSv4 state. Our client's nfs_client_id4 string is unique for each server IP address. An NFSv4 server is obligated to wipe all NFSv4 state associated with an nfs_client_id4 string when the client presents the same nfs_client_id4 string along with a changed SETCLIENTID boot verifier. When our client unmounts the last of a server's shares, it destroys that server's struct nfs_client. The next time the client mounts that NFS server, it creates a fresh struct nfs_client with a fresh boot verifier. On seeing the fresh verifer, the server wipes any previous NFSv4 state associated with that nfs_client_id4. However, NFSv4.1 clients are supposed to present the same nfs_client_id4 string to all servers. And, to support Transparent State Migration, the same nfs_client_id4 string should be presented to all NFSv4.0 servers so they recognize that migrated state for this client belongs with state a server may already have for this client. (This is known as the Uniform Client String model). If the nfs_client_id4 string is the same but the boot verifier changes for each server IP address, SETCLIENTID and EXCHANGE_ID operations from such a client could unintentionally result in a server wiping a client's previously obtained lease. Thus, if our NFS client is going to use a fixed nfs_client_id4 string, either for NFSv4.0 or NFSv4.1 mounts, our NFS client should use a boot verifier that does not change depending on server IP address. Replace our current per-nfs_client boot verifier with a per-nfs_net boot verifier. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Use proper naming conventions for the nfs_client.net fieldChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: When naming fields and data types, follow established conventions to facilitate accurate grep/cscope searches. Introduced by commit e50a7a1a "NFS: make NFS client allocated per network namespace context," Tue Jan 10, 2012. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Use proper naming conventions for nfs_client.impl_id fieldChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: When naming fields and data types, follow established conventions to facilitate accurate grep/cscope searches. Additionally, for consistency, move the impl_id field into the NFSv4- specific part of the nfs_client, and free that memory in the logic that shuts down NFSv4 nfs_clients. Introduced by commit 7d2ed9ac "NFSv4: parse and display server implementation ids," Fri Feb 17, 2012. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Use proper naming conventions for NFSv4.1 server scope fieldsChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up: When naming fields and data types, follow established conventions to facilitate accurate grep/cscope searches. Additionally, for consistency, move the scope field into the NFSv4- specific part of the nfs_client, and free that memory in the logic that shuts down NFSv4 nfs_clients. Introduced by commit 99fe60d0 "nfs41: exchange_id operation", April 1 2009. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Fix comment misspelling in struct nfs_client definitionChuck Lever2012-05-22
| | | | | | | | | | | | | | | Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | NFS: Add NFSDBG_STATEChuck Lever2012-05-22
| | | | | | | | | | | | | | | | | | | | | | | | fs/nfs/nfs4state.c does not yet have any dprintk() call sites, and I'm about to introduce some. We will need a new flag for enabling them. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | Merge branch 'bugfixes' into nfs-for-nextTrond Myklebust2012-05-21
| |\ \
| * | | NFS: Clean up - Rename nfs_unlock_request and nfs_unlock_request_dont_releaseTrond Myklebust2012-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Function rename to ensure that the functionality of nfs_unlock_request() mirrors that of nfs_lock_request(). Then let nfs_unlock_and_release_request() do the work of what used to be called nfs_unlock_request()... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Fred Isaman <iisaman@netapp.com>
| * | | NFS: Clean up - simplify nfs_lock_request()Trond Myklebust2012-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We only have two places where we need to grab a reference when trying to lock the nfs_page. We're better off making that explicit. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Fred Isaman <iisaman@netapp.com>
| * | | NFS: Prevent a deadlock in the new writeback codeTrond Myklebust2012-05-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have to unlock the nfs_page before we call nfs_end_page_writeback to avoid races with functions that expect the page to be unlocked when PG_locked and PG_writeback are not set. The problem is that nfs_unlock_request also releases the nfs_page, causing a deadlock if the release of the nfs_open_context triggers an iput() while the PG_writeback flag is still set... The solution is to separate the unlocking and release of the nfs_page, so that we can do the former before nfs_end_page_writeback and the latter after. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Fred Isaman <iisaman@netapp.com>
| * | | NFS: Adapt readdirplus to application usage patternsTrond Myklebust2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While the use of READDIRPLUS is significantly more efficient than READDIR followed by many LOOKUP calls, it is still less efficient than just READDIR if the attributes are not required. This patch tracks when lookups are attempted on the directory, and uses that information to selectively disable READDIRPLUS on that directory. The first 'readdir' call is always served using READDIRPLUS. Subsequent calls only use READDIRPLUS if there was a successful lookup or revalidation on a child in the mean time. Credit for the original idea should go to Neil Brown. See: http://www.spinics.net/lists/linux-nfs/msg19996.html However, the implementation in this patch differs from Neil's in that it focuses on tracking lookups rather than calls to stat(). Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Neil Brown <neilb@suse.de>
| * | | NFSv4: Simplify the NFSv4 REMOVE, LINK and RENAME compoundsTrond Myklebust2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the post-op GETATTR on the directory in order to reduce the amount of processing done on the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv4: Simplify the NFSv4 CREATE compoundTrond Myklebust2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the post-op GETATTR on the directory in order to reduce the amount of processing done on the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv4: Simplify the NFSv4 OPEN compoundTrond Myklebust2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Get rid of the post-op GETATTR on the directory in order to reduce the amount of processing done on the server. The cost is that if we later need to stat() the directory, then we know that the ctime and mtime are likely to be invalid. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFSv2/v3: Simulate the change attributeTrond Myklebust2012-05-01
| | | | | | | | | | | | | | | | | | | | | | | | Use the ctime to simulate a change attribute for NFSv2 and NFSv3. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Fix a compile issue when CONFIG_NFS_V4_1 is undefinedTrond Myklebust2012-04-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | struct nfs_direct_req can't compile when struct pnfs_ds_commit_info is undefined. Reported-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Fred Isaman <iisaman@netapp.com>
| * | | NFS: Remove extra rpc_clnt argument to proc_lookupBryan Schumaker2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that I'm doing secinfo automatically in the v4 code this extra argument isn't needed. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Create a submount rpc_opBryan Schumaker2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This simplifies the code for v2 and v3 and gives v4 a chance to decide on referrals without needing to modify the generic client. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: Remove secinfo knowledge out of the generic clientBryan Schumaker2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | And also remove the unneeded rpc_op. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: add dreq to nfs_commit_infoFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Need this to pass into nfs_commitdata_init, in order to keep data->dreq accurate. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: create nfs_commit_completion_opsFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Factors out the code that needs to change when directio starts using these code paths. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: create struct nfs_commit_infoFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is COMMIT that is handled the most differently between the paged and direct paths. Create a structure that encapsulates everything either path needs to know about the commit state. We could use void to hide some of the layout driver stuff, but Trond suggests pulling it out to ensure type checking, given the huge changes being made, and the fact that it doesn't interfere with other drivers. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: rewrite directio read to use async coalesce codeFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This also has the advantage that it allows directio to use pnfs. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: remove unused wb_complete field from struct nfs_pageFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: create completion structure to pass into page_init functionsFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Factors out the code that will need to change when directio starts using these code paths. This will allow directio to use the generic pagein and flush routines Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| * | | NFS: merge _full and _partial write rpc_opsFred Isaman2012-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Decouple nfs_pgio_header and nfs_write_data, and have (possibly multiple) nfs_write_datas each take a refcount on nfs_pgio_header. For the moment keeps nfs_write_header as a way to preallocate a single nfs_write_data with the nfs_pgio_header. The code doesn't need this, and would be prettier without, but given the amount of churn I am already introducing I didn't want to play with tuning new mempools. This also fixes bug in pnfs_ld_handle_write_error. In the case of desc->pg_bsize < PAGE_CACHE_SIZE, the pages list was empty, causing replay attempt to do nothing. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-06 03:53:28 -0500