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When the "rsize=" or "wsize=" mount options are not specified, text-based mounts have slightly different behavior than legacy binary mounts. Text-based mounts use the smaller of the server's maximum and the client's maximum, but binary mounts use the smaller of the server's _preferred_ size and the client's maximum. This difference is actually pretty subtle. Most servers advertise the same value as their maximum and their preferred transfer size, so the end result is the same in most cases. The reason for this difference is that for text-based mounts, if r/wsize are not specified, they are set to the largest value supported by the client. For legacy mounts, the values are set to zero if these options are not specified. nfs_server_set_fsinfo() can negotiate the transfer size defaults correctly in any case. There's no need to specify any particular value as default in the text-based option parsing logic. Note that nfs4 doesn't use nfs_server_set_fsinfo(), but the mount.nfs4 command does set rsize and wsize to 0 if the user didn't specify these options. So, make the same change for text-based NFSv4 mounts. Thanks to James Pearson <james-p@moving-picture.com> for reporting and diagnosing the problem. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> |
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| adfs | ||
| affs | ||
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| autofs | ||
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| coda | ||
| configfs | ||
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| devpts | ||
| dlm | ||
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| fat | ||
| freevxfs | ||
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| gfs2 | ||
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| hfsplus | ||
| hostfs | ||
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| hugetlbfs | ||
| isofs | ||
| jbd | ||
| jbd2 | ||
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| jfs | ||
| lockd | ||
| minix | ||
| ncpfs | ||
| nfs | ||
| nfs_common | ||
| nfsd | ||
| nilfs2 | ||
| nls | ||
| notify | ||
| ntfs | ||
| ocfs2 | ||
| omfs | ||
| openpromfs | ||
| partitions | ||
| proc | ||
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| quota | ||
| ramfs | ||
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| smbfs | ||
| squashfs | ||
| sysfs | ||
| sysv | ||
| ubifs | ||
| udf | ||
| ufs | ||
| xfs | ||
| aio.c | ||
| anon_inodes.c | ||
| attr.c | ||
| bad_inode.c | ||
| binfmt_aout.c | ||
| binfmt_elf_fdpic.c | ||
| binfmt_elf.c | ||
| binfmt_em86.c | ||
| binfmt_flat.c | ||
| binfmt_misc.c | ||
| binfmt_script.c | ||
| binfmt_som.c | ||
| bio-integrity.c | ||
| bio.c | ||
| block_dev.c | ||
| buffer.c | ||
| char_dev.c | ||
| compat_binfmt_elf.c | ||
| compat_ioctl.c | ||
| compat.c | ||
| dcache.c | ||
| dcookies.c | ||
| direct-io.c | ||
| drop_caches.c | ||
| eventfd.c | ||
| eventpoll.c | ||
| exec.c | ||
| fcntl.c | ||
| fifo.c | ||
| file_table.c | ||
| file.c | ||
| filesystems.c | ||
| fs_struct.c | ||
| fs-writeback.c | ||
| generic_acl.c | ||
| inode.c | ||
| internal.h | ||
| ioctl.c | ||
| ioprio.c | ||
| Kconfig | ||
| Kconfig.binfmt | ||
| libfs.c | ||
| locks.c | ||
| Makefile | ||
| mbcache.c | ||
| mpage.c | ||
| namei.c | ||
| namespace.c | ||
| nfsctl.c | ||
| no-block.c | ||
| open.c | ||
| pipe.c | ||
| pnode.c | ||
| pnode.h | ||
| posix_acl.c | ||
| read_write.c | ||
| read_write.h | ||
| readdir.c | ||
| select.c | ||
| seq_file.c | ||
| signalfd.c | ||
| splice.c | ||
| stack.c | ||
| stat.c | ||
| super.c | ||
| sync.c | ||
| timerfd.c | ||
| utimes.c | ||
| xattr_acl.c | ||
| xattr.c | ||