forked from luck/tmp_suning_uos_patched
21c3ea1881
We want to drop all I/O path locks when recalling layouts, and that includes i_mutex for the write path. Without this we get stuck processe when recalls take too long. [dchinner: fix build with !CONFIG_PNFS] Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
20 lines
619 B
C
20 lines
619 B
C
#ifndef _XFS_PNFS_H
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#define _XFS_PNFS_H 1
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#ifdef CONFIG_NFSD_PNFS
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int xfs_fs_get_uuid(struct super_block *sb, u8 *buf, u32 *len, u64 *offset);
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int xfs_fs_map_blocks(struct inode *inode, loff_t offset, u64 length,
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struct iomap *iomap, bool write, u32 *device_generation);
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int xfs_fs_commit_blocks(struct inode *inode, struct iomap *maps, int nr_maps,
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struct iattr *iattr);
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int xfs_break_layouts(struct inode *inode, uint *iolock, bool with_imutex);
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#else
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static inline int
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xfs_break_layouts(struct inode *inode, uint *iolock, bool with_imutex)
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{
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return 0;
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}
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#endif /* CONFIG_NFSD_PNFS */
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#endif /* _XFS_PNFS_H */
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