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/openbmc/linux/fs/ext4/ |
H A D | ext4_extents.h | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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H A D | migrate.c | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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H A D | move_extent.c | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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H A D | extents.c | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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H A D | ext4.h | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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H A D | inode.c | diff 0031462b5b392f90d17f1d75abb795883c44e969 Mon Sep 28 14:49:08 CDT 2009 Mingming Cao <cmm@us.ibm.com> ext4: Split uninitialized extents for direct I/O
When writing into an unitialized extent via direct I/O, and the direct I/O doesn't exactly cover the unitialized extent, split the extent into uninitialized and initialized extents before submitting the I/O. This avoids needing to deal with an ENOSPC error in the end_io callback that gets used for direct I/O.
When the IO is complete, the written extent will be marked as initialized.
Singed-Off-By: Mingming Cao <cmm@us.ibm.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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